WO2016017626A1 - Ceramic structure and production method of ceramic structure - Google Patents

Ceramic structure and production method of ceramic structure Download PDF

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Publication number
WO2016017626A1
WO2016017626A1 PCT/JP2015/071350 JP2015071350W WO2016017626A1 WO 2016017626 A1 WO2016017626 A1 WO 2016017626A1 JP 2015071350 W JP2015071350 W JP 2015071350W WO 2016017626 A1 WO2016017626 A1 WO 2016017626A1
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Prior art keywords
paste
ceramic structure
ceramic
side surfaces
pair
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PCT/JP2015/071350
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French (fr)
Japanese (ja)
Inventor
祥啓 古賀
真 大石
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イビデン株式会社
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/88—Metals

Definitions

  • the present invention relates to a ceramic structure in which two members having different continuous directions are joined to each other and a method for manufacturing the ceramic structure.
  • Patent Document 1 In order to manufacture a ceramic structure (ceramic sintered body) having a member formed by extrusion and a member formed in a direction orthogonal to the extrusion direction, a method of connecting two members has been proposed.
  • the ceramic structure described in Patent Document 1 has a cylindrical tube portion on a disk-shaped base.
  • two or more preforms having a rough shape close to the final molded body are prepared, and the preforms are combined, pressed and sintered.
  • an object of the present invention is to provide a ceramic structure capable of joining two members having different continuous directions and a method for manufacturing the ceramic structure.
  • a ceramic structure of the present invention for solving the above problems is made of porous ceramic, and includes a pair of first inner side surfaces facing each other, and a second inner side surface adjacent to each of the first inner side surfaces.
  • a pair of first members whose cross-sectional shape is continuous along each of the first inner surface and the second inner surface, and made of porous ceramic and facing each of the first inner surfaces of the first member.
  • a second member having a second outer surface adjacent to each of the first outer surfaces and facing the second inner surface of the first member, and as an aggregate, silicon carbide , Cordierite, alumina, mullite, silicon nitride, aluminum titanate, zirconia, and a paste containing an organic binder or an inorganic binder as a binder.
  • each first inner surface of the first member and each first outer surface of the second member are respectively The first member and the second member are relatively arranged so as to face each other through the paste, and so that the second inner surface of the first member and the second outer surface of the second member face each other, The first member and the second member are joined through an adhesive layer formed by solidifying the paste.
  • the ceramic structure of the present invention has a pair of first inner surfaces facing each other and a second inner surface adjacent to each first inner surface, along the first inner surface and the second inner surface.
  • the first member is a porous ceramic having a continuous cross-sectional shape.
  • An adhesive layer is provided between each first inner surface and each first outer surface.
  • the first member has, for example, a U-shaped cross section, and can be extruded in the longitudinal direction.
  • a second member having a shape corresponding to the cross-sectional shape of the first member is attached in a direction intersecting the pushing direction of the first member.
  • the second member is fixed inside the first member by the adhesive layer.
  • the adhesive layer that joins the first member and the second member includes, as an aggregate, any one of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia, It is formed by solidifying a paste containing an organic binder or an inorganic binder. For this reason, after the paste is heated and melted, it is solidified to form an adhesive layer, whereby the second member can be reliably fixed to the inside of the first member. Furthermore, since the adhesive layer is obtained by solidifying the paste, the first member and the second member can be relatively fixed at arbitrary positions.
  • the ceramic structure of the present invention has the following aspect.
  • (1) The paste is applied and solidified on the second inner surface of the first member or the second outer surface of the second member to form an adhesive layer.
  • the second outer surface which is the lower surface of the second member, is fixed to the second inner surface, which is the lower surface of the first member, with the adhesive layer interposed therebetween. Can be fixed to.
  • the first member and the second member include any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia.
  • the first member and the second member are impregnated with a metal or a semimetal. Therefore, the molten ceramic or metalloid penetrates into the pores of the porous ceramic forming the first member and the second member and solidifies by densifying the porous ceramic, so that the airtightness of the first member and the second member is increased. Can be improved.
  • the metal is silicon.
  • a method for manufacturing a ceramic structure of the present invention for solving the above-described problem has a pair of first inner side surfaces facing each other, and a second inner side surface adjacent to each of the first inner side surfaces,
  • a first member having a continuous cross-sectional shape along each first inner surface and the second inner surface is made of porous ceramic, and a pair of first outer surfaces facing away from each other, and each first outer surface
  • a second member having a second outer surface adjacent to each other is made of porous ceramic, and includes, as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, zirconia,
  • After applying a paste containing an organic binder or an inorganic binder as a binder to each first inner surface of the first member or each first outer surface of the second member,
  • the first inner surface of the first member and the first outer surface of the second member face each other via the paste, and the second inner surface of the first member and the second member of the second member
  • a first cross-sectional shape having a pair of first inner surfaces facing each other and a second inner surface adjacent to each first inner surface is continuous.
  • the member is molded from a material that becomes a porous ceramic.
  • the first member can be produced by extrusion molding.
  • a second member having a pair of first outer surfaces facing away from each other and a second outer surface adjacent to each first outer surface is molded from a material that becomes a porous ceramic.
  • the first member and the second member are fired to obtain a porous ceramic first member and second member.
  • the second member corresponds to the cross-sectional shape of the first member and can be accommodated inside the first member.
  • Each of the first outer surfaces of the second member includes, as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia, and an organic binder or an inorganic binder as a binder.
  • Apply paste containing Thereafter, the first member and the second member are relatively arranged so that each first outer surface and each first inner surface face each other through the paste, and each second outer surface and second inner surface face each other. Then, a solidification step is performed so that at least the solvent of the paste is vaporized. Thereby, the paste is solidified to form an adhesive layer, and two members having different continuous directions can be joined. Furthermore, since the adhesive layer is obtained by solidifying the paste, the first member and the second member can be relatively fixed at arbitrary positions.
  • the method for producing a ceramic structure of the present invention is as follows.
  • the solidification step is a step of evaporating at least the solvent of the paste and drying it. Thereby, two members having different continuous directions can be joined.
  • a heating step is performed in which the first member and the second member are melt-impregnated with a metal or a semimetal. Therefore, the molten ceramic or metalloid penetrates into the pores of the porous ceramic forming the first member and the second member and solidifies by densifying the porous ceramic, so that the airtightness of the first member and the second member is increased. Can be improved.
  • the metal is silicon.
  • the first member has a U-shaped cross section, for example, and can be extruded in the longitudinal direction.
  • a second member having a shape corresponding to the cross-sectional shape of the first member is attached in a direction intersecting the pushing direction of the first member. At this time, since the second member is fixed to the inside of the first member by the adhesive layer, two members having different continuous directions can be joined.
  • FIGS. 3A to 3C are perspective views showing a method for manufacturing a ceramic structure according to the first embodiment of the present invention.
  • FIGS. (A) is a perspective view of the ceramic structure of 2nd Embodiment which concerns on this invention, (B) is sectional drawing, (C) is an enlarged view of C part in (B) at the time of 2nd member insertion. It is.
  • (A) is a perspective view of the ceramic structure of 3rd Embodiment which concerns on this invention, (B) is a disassembled perspective view of a vertical member and a horizontal member.
  • a ceramic structure of the present invention for solving the above problems is made of porous ceramic, and includes a pair of first inner side surfaces facing each other, and a second inner side surface adjacent to each of the first inner side surfaces.
  • a pair of first members whose cross-sectional shape is continuous along each of the first inner surface and the second inner surface, and made of porous ceramic and facing each of the first inner surfaces of the first member.
  • a second member having a second outer surface adjacent to each of the first outer surfaces and facing the second inner surface of the first member, and as an aggregate, silicon carbide , Cordierite, alumina, mullite, silicon nitride, aluminum titanate, zirconia, and a paste containing an organic binder or an inorganic binder as a binder.
  • each first inner surface of the first member and each first outer surface of the second member are respectively The first member and the second member are relatively arranged so as to face each other through the paste, and so that the second inner surface of the first member and the second outer surface of the second member face each other, The first member and the second member are joined through an adhesive layer formed by solidifying the paste.
  • the ceramic structure of the present invention has a pair of first inner surfaces facing each other and a second inner surface adjacent to each first inner surface, along the first inner surface and the second inner surface.
  • the first member is a porous ceramic having a continuous cross-sectional shape.
  • An adhesive layer is provided between each first inner surface and each first outer surface.
  • the first member has, for example, a U-shaped cross section, and can be extruded in the longitudinal direction.
  • a second member having a shape corresponding to the cross-sectional shape of the first member is attached in a direction intersecting the pushing direction of the first member.
  • the second member is fixed inside the first member by the adhesive layer.
  • the adhesive layer that joins the first member and the second member includes, as an aggregate, any one of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia, It is formed by solidifying a paste containing an organic binder or an inorganic binder. For this reason, after the paste is heated and melted, it is solidified to form an adhesive layer, whereby the second member can be reliably fixed to the inside of the first member. Furthermore, since the adhesive layer is obtained by solidifying the paste, the first member and the second member can be relatively fixed at arbitrary positions.
  • the ceramic structure of the present invention has the following aspect.
  • (1) The paste is applied and solidified on the second inner surface of the first member or the second outer surface of the second member to form an adhesive layer.
  • the second outer surface which is the lower surface of the second member, is fixed to the second inner surface, which is the lower surface of the first member, with the adhesive layer interposed therebetween. Can be fixed to.
  • the first member and the second member include any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia.
  • the first member and the second member are impregnated with a metal or a semimetal. Therefore, the molten ceramic or metalloid penetrates into the pores of the porous ceramic forming the first member and the second member and solidifies by densifying the porous ceramic, so that the airtightness of the first member and the second member is increased. Can be improved.
  • the metal is silicon.
  • the manufacturing method of the ceramic structure of the present invention for solving the above-described problem includes a pair of first inner side surfaces facing each other, and second inner side surfaces respectively adjacent to the first inner side surfaces.
  • the first member having a continuous cross-sectional shape along each of the first inner surface and the second inner surface is made of porous ceramic, and a pair of first outer surfaces facing away from each other, and the first members
  • a second member having a second outer surface adjacent to the outer surface is made of porous ceramic, and as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, zirconia is used.
  • a paste containing an organic binder or an inorganic binder as a binder is applied to each first inner surface of the first member or each first outer surface of the second member.
  • the first inner surface of the first member and the first outer surface of the second member face each other via the paste, and the second inner surface of the first member and the second member.
  • the first member and the second member are relatively arranged so as to face the second outer surface of the material, and a solidification step of solidifying the paste is performed.
  • a first member having a continuous cross-sectional shape having a pair of first inner surfaces facing each other and a second inner surface adjacent to each first inner surface is provided. Molded with a material that will be a porous ceramic.
  • the first member can be produced by extrusion molding.
  • a second member having a pair of first outer surfaces facing away from each other and a second outer surface adjacent to each first outer surface is molded from a material that becomes a porous ceramic.
  • the second member corresponds to the cross-sectional shape of the first member and can be accommodated inside the first member.
  • Each of the first outer surfaces of the second member includes, as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia, and an organic binder or an inorganic binder as a binder.
  • Apply paste containing Thereafter, the first member and the second member are relatively arranged so that each first outer surface and each first inner surface face each other through the paste, and each second outer surface and second inner surface face each other. Then, a solidification step is performed so that at least the solvent of the paste is vaporized. Thereby, the paste is solidified to form an adhesive layer, and two members having different continuous directions can be joined. Furthermore, since the adhesive layer is obtained by solidifying the paste, the first member and the second member can be relatively fixed at arbitrary positions.
  • the method for producing a ceramic structure of the present invention is as follows.
  • the solidification step is a step of evaporating at least the solvent of the paste and drying it. Thereby, two members having different continuous directions can be joined.
  • a heating step is performed in which the first member and the second member are melt-impregnated with a metal or a semimetal. Therefore, the molten ceramic or metalloid penetrates into the pores of the porous ceramic forming the first member and the second member and solidifies by densifying the porous ceramic, so that the airtightness of the first member and the second member is increased. Can be improved.
  • the metal is silicon.
  • the ceramic structure 10A of the first embodiment includes a first member 20A that is a porous ceramic and a second member 30A.
  • the first member 20A and the second member 30A are melt-impregnated with silicon (Si).
  • the porous ceramic include silicon carbide (SiC), cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia.
  • the first member 20 ⁇ / b> A includes a pair of first inner side surfaces 21 and 22 that face each other, and a second inner side surface 23 that is adjacent to each of the first inner side surfaces 21 and 22.
  • the first member 20A can be extruded in the longitudinal direction because, for example, the U-shaped cross section is continuous in the longitudinal direction.
  • the longitudinal direction of the first member 20A is referred to as “front” and “rear”, the upper side in FIG. 1A is referred to as “upper”, and the lower side is referred to as “lower”.
  • the second member 30A is a shape corresponding to the shape of the internal space 24 formed by the pair of first inner side surfaces 21 and 22 and the second inner side surface 23 of the first member 20A, that is, a rectangular plate-like member. .
  • the second member 30A is adjacent to each of the first outer side surfaces 31, 32 facing each of the first inner side surfaces 21, 22 of the first member 20A, and each of the first outer side surfaces 31, 32, and the first member 20A. And a second outer side surface 33 facing the second inner side surface 23.
  • the second member 30A is disposed in the internal space 24 of the first member 20A in a direction orthogonal to the longitudinal direction that is the extrusion direction of the first member 20A.
  • An adhesive layer 40 is provided between the first inner surface 21 and the first outer surface 31 and between the first inner surface 22 and the first outer surface 32, that is, along the vertical direction. Furthermore, the adhesive layer 40 is also provided between the second inner side surface 23 and the second outer side surface 33, that is, the bottom surface of the internal space 24 of the first member 20A and the bottom surface of the second member 30A. Adhesive layer 40 is formed of paste 41 containing silicon carbide (SiC).
  • a method for manufacturing the ceramic structure 10A of the first embodiment will be described.
  • a first member 20A having a pair of first inner side surfaces 21 and 22 facing each other and a second inner side surface 23 adjacent to each of the first inner side surfaces 21 and 22 is continuously formed as a porous ceramic. Extrusion is performed with the material to be formed.
  • the first member 20A is a member having a U-shaped cross section.
  • the second member 30A having a pair of first outer surfaces 31, 32 facing away from each other and a second outer surface 33 adjacent to each of the first outer surfaces 31, 32 is made of a material that becomes a porous ceramic. Mold.
  • the second member 30A is a rectangular plate member. Thereafter, the first member 20A and the second member 30A are fired to obtain the porous ceramic first member 20A and the second member 30A.
  • a paste 41 for forming an adhesive layer 40 containing SiC is applied to each first outer surface 31, 32 of the second member 30A.
  • the paste 41 may be applied in advance to the first inner side surfaces 21 and 22 and the second inner side surface 23 of the first member 20A.
  • the first outer surfaces 31 and 32 and the first inner surfaces 21 and 22 face each other through the paste 41, and the second outer surface 33 and the second inner surface.
  • the first member 20 ⁇ / b> A and the second member 30 ⁇ / b> A are relatively arranged so that the head 23 faces the head 23.
  • the adhesive layer 40 is obtained by performing a solidification step at least to the extent that the solvent of the paste 41 is vaporized.
  • the adhesive layer 40 obtained by vaporizing the solvent of the paste 41 at a predetermined ratio maintains its own shape, and can exhibit and maintain an adhesive function with respect to the first member 20A and the second member 30A. Refers to the degree.
  • a heating step of melting and impregnating Si into the first member 20A and the second member 30A is performed prior to the heating step in which the first member 20A and the second member 30A are melt-impregnated with Si.
  • a solidification step at least to the extent that the solvent of the paste 41 is vaporized is performed prior to the heating step in which the first member 20A and the second member 30A are melt-impregnated with Si.
  • the paste 41 easily enters the pores of the first member 20A and the second member 30A.
  • the paste 41 is easy to become familiar with the first member 20A and the second member 30A, and the adhesive strength of the adhesive layer 40 to the first member 20A and the adhesive strength of the adhesive layer 40 to the second member 30A are favorably obtained.
  • the first member 20A and the second member 30A can be firmly bonded.
  • the ceramic structure 10A of the first embodiment has a continuous cross-sectional shape having a pair of first inner side surfaces 21 and 22 facing each other and a second inner side surface 23 adjacent to the first inner side surfaces 21 and 22, respectively.
  • the first member 20A is a porous ceramic.
  • the second member 30A which is a porous ceramic having An adhesive layer 40 is provided between the first inner side surfaces 21 and 22 and the first outer side surfaces 31 and 32.
  • the first member 20A has, for example, a U-shaped cross section, and can be extruded in the longitudinal direction.
  • a second member 30A having a shape corresponding to the cross-sectional shape of the first member 20A is attached in a direction crossing the pushing direction of the first member 20A.
  • the second member 30A is fixed to the inside of the first member 20A by the adhesive layer 40 in which the paste 41 is solidified.
  • the adhesive layer 40 that joins the first member 20A and the second member 30A includes, as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia.
  • a paste 41 containing an organic binder or an inorganic binder As a paste 41 containing an organic binder or an inorganic binder. For this reason, after the paste 41 is heated and melted, the paste 41 is solidified to form the adhesive layer 40, whereby the second member 30A can be reliably fixed to the inside of the first member 20A. Furthermore, since the adhesive layer 40 is obtained by solidifying the paste 41, the first member 20A and the second member 30A can be relatively fixed at arbitrary positions.
  • the second outer surface 33 that is the lower surface of the second member 30A is fixed to the second inner surface 23 that is the lower surface of the first member 20A via the adhesive layer 40. Therefore, the second member 30A can be more reliably fixed to the first member 20A.
  • the first member 20A and the second member 30A include any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia.
  • the first member 20A, the second member 30A, and the adhesive layer 40 have similar physical characteristics and the like, and the physical characteristics such as strength are suitable after bonding.
  • various characteristics such as thermal expansion are aligned, which is even more preferable.
  • the first member 20A and the second member 30A are melt-impregnated with a metal or a semimetal such as Si. For this reason, the first member 20A and the second member 30A can be densified, and the airtightness can be improved.
  • the operation and effect of the method for manufacturing the ceramic structure of the first embodiment will be described.
  • the method for manufacturing a ceramic structure of the first embodiment prior to the heating step in which the first member 20A and the second member 30A are melted and impregnated with Si, at least a solidification step in which the solvent of the paste 41 is evaporated. Therefore, the paste 41 easily enters the pores of the first member 20A and the second member 30A that are in the porous state. For this reason, the paste 41 is easy to become familiar with the first member 20A and the second member 30A, and the adhesive strength of the adhesive layer 40 to the first member 20A and the adhesive strength of the adhesive layer 40 to the second member 30A are favorably obtained. As a result, the first member 20A and the second member 30A can be firmly bonded.
  • the unevenness 34 is provided on the pair of first outer side surfaces 31 and 32 of the second member 30B.
  • the unevenness 34 is desirably provided from the lower end to the upper end of the first outer side surfaces 31 and 32.
  • corrugation 34 is not specifically limited, For example, a mountain shape, a waveform, a rectangle, etc. are employable.
  • a distance L1 between the tips 341 of the unevenness 34 on the pair of first outer surfaces 31 and 32 is slightly larger than a distance L2 between the pair of first inner surfaces 21 and 22 of the first member 20A.
  • the distance L3 between the bottom portions 342 of the unevenness 34 is smaller than the distance L2.
  • the tip 341 of the unevenness 34 abuts against the pair of first inner side surfaces 21 and 22. , Inserted while being cut. At this time, the paste 41 is also scraped, but the paste 41 is held in the recesses of the irregularities 34. For this reason, the second member 30B is reliably bonded to the first member 20A by the paste 41.
  • the manufacturing method of the ceramic structure 10B can be the same as the manufacturing method of the ceramic structure 10A in the first embodiment described above.
  • the interior of the rectangular box-shaped first member 20C is divided into four by the second member 30C.
  • the first member 20 ⁇ / b> C is provided with end plates 25 at both front and rear ends of a U-shaped cross-sectional member having a pair of first inner side surfaces 21, 22 and one second inner side surface 23.
  • the second member 30 ⁇ / b> C includes a vertical member 35 and a horizontal member 36.
  • the vertical member 35 is provided with an incision 351 that opens upward in the upper center of the longitudinal direction.
  • the transverse member 36 is provided with a notch 361 that opens downward in the lower center of the longitudinal direction.
  • the width of the cut 351 is substantially equal to the thickness of the horizontal member 36, and the length is larger than half of the width (height) of the horizontal member 36.
  • the width of the notch 361 is substantially equal to the thickness of the vertical member 35, and the length is larger than half of the width of the vertical member 35. Therefore, the cross-shaped second member 30C is formed by fitting the cut 351 and the cut 361 to each other.
  • the manufacturing method of the ceramic structure of 3rd Embodiment is demonstrated.
  • a rectangular box-shaped first member 20 ⁇ / b> C whose top is opened is formed. That is, the first member 20A is manufactured in the same manner as the manufacturing method of the first embodiment described above, and the two second members 30A, the vertical member 35, and the horizontal member 36 are manufactured.
  • end plates 25 are provided at both ends in the longitudinal direction of the first member 20A and joined with the paste 41 to produce a rectangular box-shaped first member 20C.
  • the longitudinal member 35 is disposed along the longitudinal direction at the center in the width direction inside the first member 20 ⁇ / b> C, and is attached between the pair of end plates 25 with the paste 41.
  • the cut 361 of the horizontal member 36 is fitted into the cut 351 of the vertical member 35, and the horizontal member 36 is attached. Both ends of the horizontal member 36 and the cut 361 are joined by the paste 41.
  • the solidification step and the heating step are performed in the same manner as in the first embodiment.
  • the ceramic structure and the method of manufacturing the ceramic structure of the present invention are not limited to the above-described embodiments, and appropriate modifications and improvements can be made.
  • This application is based on a Japanese patent application filed on July 28, 2014 (Japanese Patent Application No. 2014-153250), the contents of which are incorporated herein by reference.
  • the ceramic structure and the ceramic structure manufacturing method of the present invention can be used in a ceramic structure in which two members having different continuous directions are joined and a method for manufacturing the ceramic structure.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
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Abstract

This ceramic structure comprises a first member (20A) and a second member (30A). The first member (20A) is a porous ceramic having a continuous cross-sectional shape comprising a pair of first inside surfaces (21, 22) opposite of each other and a second inside surface (23) adjacent to the first inside surfaces (21, 22). The second member (30A) is a porous ceramic comprising a pair of first outside surfaces (31, 32) each opposite of a first inside surface (21, 22), and a second outside surface (33) adjacent to the first outside surfaces (31, 32) and facing the second inside surface (23). An adhesive layer (40) is provided between the first inside surfaces (21, 22) and the first outside surfaces (31, 32). Thus, the first member (20A) can be formed by extrusion in the longitudinal direction. The second member (30A) is attached inside of the first member (20A) in a direction intersecting the extrusion direction of the first member (20A), so it is possible to bond the two members which are continuous in mutually different directions.

Description

セラミック構造体およびセラミック構造体の製造方法Ceramic structure and method for manufacturing ceramic structure
　本発明は、互いに連続方向が異なる２つの部材を接合したセラミック構造体およびセラミック構造体の製造方法に関する。 The present invention relates to a ceramic structure in which two members having different continuous directions are joined to each other and a method for manufacturing the ceramic structure.
　従来、押し出し成形により形成された部材と、この押し出し方向と直交する方向に形成された部材とを有するセラミック構造体（セラミックス焼結体）を製造するには、二つの部材を接続する方法が提案されている（例えば、特許文献１参照）。
　特許文献１に記載のセラミック構造体では、円盤状の基部の上に、円筒形状の筒部を有する。このような最終成形体を形成する際に、まず、最終成形体に近いがラフな形状の２個以上の予備成形体を作製し、各予備成形体を組み合わせ、加圧して焼結する。 Conventionally, in order to manufacture a ceramic structure (ceramic sintered body) having a member formed by extrusion and a member formed in a direction orthogonal to the extrusion direction, a method of connecting two members has been proposed. (For example, refer to Patent Document 1).
The ceramic structure described in Patent Document 1 has a cylindrical tube portion on a disk-shaped base. In forming such a final molded body, first, two or more preforms having a rough shape close to the final molded body are prepared, and the preforms are combined, pressed and sintered.
日本国特公平０２－０４６１２１号公報Japan National Fair No. 02-046121
　ところで、例えば一対の板部材がＴ字状に接続されたような形状を多孔質焼成体により一体成型する場合、一方の板部材における他方の板部材とは反対側の表面に引けが生ずる可能性がある。
　このため、多孔質焼成体により別体成型された一対の板部材をＴ字状に接続する構造が求められている。 By the way, for example, when a shape in which a pair of plate members are connected in a T-shape is integrally formed with a porous fired body, there is a possibility that the surface of one plate member on the side opposite to the other plate member may be attracted. There is.
For this reason, a structure for connecting a pair of plate members molded separately from a porous fired body in a T shape is required.
　本発明では、前記課題を鑑み、互いに連続方向が異なる２つの部材を接合できるセラミック構造体およびセラミック構造体の製造方法を提供することを目的とする。 In view of the above problems, an object of the present invention is to provide a ceramic structure capable of joining two members having different continuous directions and a method for manufacturing the ceramic structure.
　前記課題を解決するための本発明のセラミック構造体は、多孔質セラミックにより作成され、互いに対向する一対の第１内側面と、前記各第１内側面にそれぞれ隣り合う第２内側面と、を有し、前記各第１内側面および前記第２内側面に沿って断面形状が連続する第１部材と、多孔質セラミックにより作成され、前記第１部材の前記各第１内側面にそれぞれ向かい合う一対の第１外側面と、前記各第１外側面にそれぞれ隣り合うとともに前記第１部材の前記第２内側面に向かい合う第２外側面とを有する第２部材とを備え、骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを、前記第１部材の各前記第１内側面または前記第２部材の前記各第１外側面に塗布した後、前記第１部材の前記各第１内側面と前記第２部材の前記各第１外側面とがそれぞれ前記ペーストを介して向かい合うとともに、前記第１部材の前記第２内側面と前記第２部材の前記第２外側面とが向かい合うように前記第１部材および前記第２部材を相対的に配置させ、前記ペーストを固化させることによって形成される接着層を介して、前記第１部材と前記第２部材とを結合する。 A ceramic structure of the present invention for solving the above problems is made of porous ceramic, and includes a pair of first inner side surfaces facing each other, and a second inner side surface adjacent to each of the first inner side surfaces. A pair of first members whose cross-sectional shape is continuous along each of the first inner surface and the second inner surface, and made of porous ceramic and facing each of the first inner surfaces of the first member. And a second member having a second outer surface adjacent to each of the first outer surfaces and facing the second inner surface of the first member, and as an aggregate, silicon carbide , Cordierite, alumina, mullite, silicon nitride, aluminum titanate, zirconia, and a paste containing an organic binder or an inorganic binder as a binder. After applying to each first inner surface or each first outer surface of the second member, each first inner surface of the first member and each first outer surface of the second member are respectively The first member and the second member are relatively arranged so as to face each other through the paste, and so that the second inner surface of the first member and the second outer surface of the second member face each other, The first member and the second member are joined through an adhesive layer formed by solidifying the paste.
　本発明のセラミック構造体は、互いに対向する一対の第１内側面と、各第１内側面にそれぞれ隣り合う第２内側面と、を有し、各第1内側面および第２内側面に沿って断面形状が連続する多孔質セラミックである第１部材を有する。また、各第１内側面にそれぞれ向かい合う一対の第１外側面と、各第１外側面にそれぞれ隣り合うとともに第２内側面に向かい合う第２外側面とを有する多孔質セラミックである第２部材を有する。そして、各第１内側面および各第１外側面間には、接着層が設けられている。 The ceramic structure of the present invention has a pair of first inner surfaces facing each other and a second inner surface adjacent to each first inner surface, along the first inner surface and the second inner surface. The first member is a porous ceramic having a continuous cross-sectional shape. A second member made of a porous ceramic having a pair of first outer surfaces facing each first inner surface and a second outer surface adjacent to each first outer surface and facing the second inner surface; Have. An adhesive layer is provided between each first inner surface and each first outer surface.
　このため、第１部材は例えば断面コ字状を呈しており、長手方向に押し出し成形することができる。第１部材の内側には、第１部材の断面形状に対応した形状の第２部材が、第１部材の押し出し方向と交差する方向に取り付けられる。このとき、第２部材は接着層により第１部材の内側に固定される。
　これにより、互いに連続方向が異なる２つの部材を接合することができる。 For this reason, the first member has, for example, a U-shaped cross section, and can be extruded in the longitudinal direction. On the inner side of the first member, a second member having a shape corresponding to the cross-sectional shape of the first member is attached in a direction intersecting the pushing direction of the first member. At this time, the second member is fixed inside the first member by the adhesive layer.
Thereby, two members having different continuous directions can be joined.
　また、前記第１部材と前記第２部材とを結合する接着層は、骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを固化させることによって形成される。
　このため、ペーストが加熱されて溶融した後に固化して接着層となり、これにより第２部材を第１部材の内側に確実に固定することができる。
　さらに、接着層は、ペーストを固化させて得られるため、第１部材および第２部材を相対的に任意位置で固定できる。 The adhesive layer that joins the first member and the second member includes, as an aggregate, any one of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia, It is formed by solidifying a paste containing an organic binder or an inorganic binder.
For this reason, after the paste is heated and melted, it is solidified to form an adhesive layer, whereby the second member can be reliably fixed to the inside of the first member.
Furthermore, since the adhesive layer is obtained by solidifying the paste, the first member and the second member can be relatively fixed at arbitrary positions.
　さらに、本発明のセラミック構造体は、以下の態様であることが望ましい。
（１）前記第１部材の前記第２内側面または前記第２部材の前記第２外側面にも前記ペーストを塗布して固化させ、接着層を形成する。
　このため、第２部材の下面である第２外側面は、接着層を介して第１部材の下面である第２内側面に固定されるので、第２部材を第１部材に対してさらに確実に固定することができる。 Furthermore, it is desirable that the ceramic structure of the present invention has the following aspect.
(1) The paste is applied and solidified on the second inner surface of the first member or the second outer surface of the second member to form an adhesive layer.
For this reason, the second outer surface, which is the lower surface of the second member, is fixed to the second inner surface, which is the lower surface of the first member, with the adhesive layer interposed therebetween. Can be fixed to.
（２）前記第１部材および前記第２部材は、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含む。 (2) The first member and the second member include any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia.
（３）前記第１部材および前記第２部材に対して、金属または半金属を溶融含浸させたものである。
　このため、第１部材および第２部材を形成する多孔質セラミックの気孔に溶融した金属または半金属が侵入して固化することにより多孔質セラミックを緻密化して、第１部材および第２部材の気密性を向上させることができる。 (3) The first member and the second member are impregnated with a metal or a semimetal.
Therefore, the molten ceramic or metalloid penetrates into the pores of the porous ceramic forming the first member and the second member and solidifies by densifying the porous ceramic, so that the airtightness of the first member and the second member is increased. Can be improved.
（４）前記金属は、珪素である。 (4) The metal is silicon.
　前記課題を解決するための本発明のセラミック構造体の製造方法は、互いに対向する一対の第１内側面と、前記各第１内側面にそれぞれ隣り合う第２内側面と、を有し、前記各第１内側面および前記第２内側面に沿って断面形状が連続する第１部材を多孔質セラミックにより作成するとともに、互いに離れる方向を向く一対の第１外側面と、前記各第１外側面にそれぞれ隣り合う第２外側面とを有する第２部材を多孔質セラミックにより作成し、骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを、前記第１部材の前記各第１内側面または前記第２部材の前記各第１外側面に塗布した後、前記第１部材の前記各第１内側面と前記第２部材の前記各第１外側面とがそれぞれ前記ペーストを介して向かい合うとともに、前記第１部材の前記第２内側面と前記第２部材の前記第２外側面とが向かい合うように前記第１部材および前記第２部材を相対的に配置させ、前記ペーストを固化させる固化工程を行う。 A method for manufacturing a ceramic structure of the present invention for solving the above-described problem has a pair of first inner side surfaces facing each other, and a second inner side surface adjacent to each of the first inner side surfaces, A first member having a continuous cross-sectional shape along each first inner surface and the second inner surface is made of porous ceramic, and a pair of first outer surfaces facing away from each other, and each first outer surface A second member having a second outer surface adjacent to each other is made of porous ceramic, and includes, as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, zirconia, After applying a paste containing an organic binder or an inorganic binder as a binder to each first inner surface of the first member or each first outer surface of the second member, The first inner surface of the first member and the first outer surface of the second member face each other via the paste, and the second inner surface of the first member and the second member of the second member The first member and the second member are relatively arranged so as to face the second outer surface, and a solidification step of solidifying the paste is performed.
　本発明のセラミック構造体の製造方法によれば、まず、互いに対向する一対の第１内側面と、各第１内側面にそれぞれ隣り合う第２内側面と、を有する断面形状が連続する第１部材を多孔質セラミックとなる材料により成型する。第１部材は、押出成形により作製することができる。また、互いに離れる方向を向く一対の第１外側面と、各第１外側面にそれぞれ隣り合う第２外側面とを有する第２部材を多孔質セラミックとなる材料により成型する。
　その後、第１部材および第２部材を焼成して、多孔質セラミックの第１部材および第２部材を得る。第２部材は、第１部材の断面形状に対応しており、第１部材の内部に収容可能である。 According to the method for manufacturing a ceramic structure of the present invention, first, a first cross-sectional shape having a pair of first inner surfaces facing each other and a second inner surface adjacent to each first inner surface is continuous. The member is molded from a material that becomes a porous ceramic. The first member can be produced by extrusion molding. Further, a second member having a pair of first outer surfaces facing away from each other and a second outer surface adjacent to each first outer surface is molded from a material that becomes a porous ceramic.
Thereafter, the first member and the second member are fired to obtain a porous ceramic first member and second member. The second member corresponds to the cross-sectional shape of the first member and can be accommodated inside the first member.
　そして、第２部材の各第１外側面に骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを塗布する。その後、各第１外側面と各第１内側面とがそれぞれペーストを介して向かい合うとともに、第２外側面と第２内側面とが向かい合うように第１部材および第２部材を相対的に配置し、少なくともペーストの溶媒が気化する程度の固化工程を行う。
　これにより、ペーストが固化して接着層となり、互いに連続方向が異なる２つの部材を接合することができる。
　さらに、接着層は、ペーストを固化させて得られるため、第１部材および第２部材を相対的に任意位置で固定できる。 Each of the first outer surfaces of the second member includes, as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia, and an organic binder or an inorganic binder as a binder. Apply paste containing. Thereafter, the first member and the second member are relatively arranged so that each first outer surface and each first inner surface face each other through the paste, and each second outer surface and second inner surface face each other. Then, a solidification step is performed so that at least the solvent of the paste is vaporized.
Thereby, the paste is solidified to form an adhesive layer, and two members having different continuous directions can be joined.
Furthermore, since the adhesive layer is obtained by solidifying the paste, the first member and the second member can be relatively fixed at arbitrary positions.
　さらに、本発明のセラミック構造体の製造方法は、以下の態様であることが望ましい。
（１）前記固化工程は、少なくとも前記ペーストの溶媒を気化させて乾燥させる工程である。
　これにより、互いに連続方向が異なる２つの部材を接合することができる。 Furthermore, it is desirable that the method for producing a ceramic structure of the present invention is as follows.
(1) The solidification step is a step of evaporating at least the solvent of the paste and drying it.
Thereby, two members having different continuous directions can be joined.
（２）前記固化工程の後、前記第１部材および前記第２部材に金属または半金属を溶融含浸させる加熱工程を行う。
　このため、第１部材および第２部材を形成する多孔質セラミックの気孔に溶融した金属または半金属が侵入して固化することにより多孔質セラミックを緻密化して、第１部材および第２部材の気密性を向上させることができる。 (2) After the solidification step, a heating step is performed in which the first member and the second member are melt-impregnated with a metal or a semimetal.
Therefore, the molten ceramic or metalloid penetrates into the pores of the porous ceramic forming the first member and the second member and solidifies by densifying the porous ceramic, so that the airtightness of the first member and the second member is increased. Can be improved.
（３）前記金属は、珪素である。 (3) The metal is silicon.
　本発明によれば、第１部材は例えば断面コ字状を呈しており、長手方向に押し出し成形することができる。第１部材の内側には、第１部材の断面形状に対応した形状の第２部材が、第１部材の押し出し方向と交差する方向に取り付けられる。このとき、第２部材は接着層により第１部材の内側に固定されるので、互いに連続方向が異なる２つの部材を接合することができる。 According to the present invention, the first member has a U-shaped cross section, for example, and can be extruded in the longitudinal direction. On the inner side of the first member, a second member having a shape corresponding to the cross-sectional shape of the first member is attached in a direction intersecting the pushing direction of the first member. At this time, since the second member is fixed to the inside of the first member by the adhesive layer, two members having different continuous directions can be joined.
（Ａ）は本発明に係る第１実施形態のセラミック構造体の斜視図であり、（Ｂ）は断面図である。(A) is a perspective view of the ceramic structure of 1st Embodiment based on this invention, (B) is sectional drawing. （Ａ）～（Ｃ）は本発明に係る第１実施形態のセラミック構造体の製造方法を示す斜視図である。FIGS. 3A to 3C are perspective views showing a method for manufacturing a ceramic structure according to the first embodiment of the present invention. FIGS. （Ａ）は本発明に係る第２実施形態のセラミック構造体の斜視図であり、（Ｂ）は断面図であり、（Ｃ）は第２部材嵌入時における（Ｂ）中Ｃ部の拡大図である。(A) is a perspective view of the ceramic structure of 2nd Embodiment which concerns on this invention, (B) is sectional drawing, (C) is an enlarged view of C part in (B) at the time of 2nd member insertion. It is. （Ａ）は本発明に係る第３実施形態のセラミック構造体の斜視図であり、（Ｂ）は縦部材および横部材の分解斜視図である。(A) is a perspective view of the ceramic structure of 3rd Embodiment which concerns on this invention, (B) is a disassembled perspective view of a vertical member and a horizontal member.
　本発明のセラミック構造体およびセラミック構造体の製造方法について説明する。 The ceramic structure of the present invention and the method for producing the ceramic structure will be described.
　前記課題を解決するための本発明のセラミック構造体は、多孔質セラミックにより作成され、互いに対向する一対の第１内側面と、前記各第１内側面にそれぞれ隣り合う第２内側面と、を有し、前記各第１内側面および前記第２内側面に沿って断面形状が連続する第１部材と、多孔質セラミックにより作成され、前記第１部材の前記各第１内側面にそれぞれ向かい合う一対の第１外側面と、前記各第１外側面にそれぞれ隣り合うとともに前記第１部材の前記第２内側面に向かい合う第２外側面とを有する第２部材とを備え、骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを、前記第１部材の各前記第１内側面または前記第２部材の前記各第１外側面に塗布した後、前記第１部材の前記各第１内側面と前記第２部材の前記各第１外側面とがそれぞれ前記ペーストを介して向かい合うとともに、前記第１部材の前記第２内側面と前記第２部材の前記第２外側面とが向かい合うように前記第１部材および前記第２部材を相対的に配置させ、前記ペーストを固化させることによって形成される接着層を介して、前記第１部材と前記第２部材とを結合する。 A ceramic structure of the present invention for solving the above problems is made of porous ceramic, and includes a pair of first inner side surfaces facing each other, and a second inner side surface adjacent to each of the first inner side surfaces. A pair of first members whose cross-sectional shape is continuous along each of the first inner surface and the second inner surface, and made of porous ceramic and facing each of the first inner surfaces of the first member. And a second member having a second outer surface adjacent to each of the first outer surfaces and facing the second inner surface of the first member, and as an aggregate, silicon carbide , Cordierite, alumina, mullite, silicon nitride, aluminum titanate, zirconia, and a paste containing an organic binder or an inorganic binder as a binder. After applying to each first inner surface or each first outer surface of the second member, each first inner surface of the first member and each first outer surface of the second member are respectively The first member and the second member are relatively arranged so as to face each other through the paste, and so that the second inner surface of the first member and the second outer surface of the second member face each other, The first member and the second member are joined through an adhesive layer formed by solidifying the paste.
　本発明のセラミック構造体は、互いに対向する一対の第１内側面と、各第１内側面にそれぞれ隣り合う第２内側面と、を有し、各第１内側面および第２内側面に沿って断面形状が連続する多孔質セラミックである第１部材を有する。また、各第１内側面にそれぞれ向かい合う一対の第１外側面と、各第１外側面にそれぞれ隣り合うとともに第２内側面に向かい合う第２外側面とを有する多孔質セラミックである第２部材を有する。そして、各第１内側面および各第１外側面間には、接着層が設けられている。 The ceramic structure of the present invention has a pair of first inner surfaces facing each other and a second inner surface adjacent to each first inner surface, along the first inner surface and the second inner surface. The first member is a porous ceramic having a continuous cross-sectional shape. A second member made of a porous ceramic having a pair of first outer surfaces facing each first inner surface and a second outer surface adjacent to each first outer surface and facing the second inner surface; Have. An adhesive layer is provided between each first inner surface and each first outer surface.
　このため、第１部材は例えば断面コ字状を呈しており、長手方向に押し出し成形することができる。第１部材の内側には、第１部材の断面形状に対応した形状の第２部材が、第１部材の押し出し方向と交差する方向に取り付けられる。このとき、第２部材は接着層により第１部材の内側に固定される。
　これにより、互いに連続方向が異なる２つの部材を接合することができる。 For this reason, the first member has, for example, a U-shaped cross section, and can be extruded in the longitudinal direction. On the inner side of the first member, a second member having a shape corresponding to the cross-sectional shape of the first member is attached in a direction intersecting the pushing direction of the first member. At this time, the second member is fixed inside the first member by the adhesive layer.
Thereby, two members having different continuous directions can be joined.
　また、前記第１部材と前記第２部材とを結合する接着層は、骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを固化させることによって形成される。
　このため、ペーストが加熱されて溶融した後に固化して接着層となり、これにより第２部材を第１部材の内側に確実に固定することができる。
　さらに、接着層は、ペーストを固化させて得られるため、第１部材および第２部材を相対的に任意位置で固定できる。 The adhesive layer that joins the first member and the second member includes, as an aggregate, any one of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia, It is formed by solidifying a paste containing an organic binder or an inorganic binder.
For this reason, after the paste is heated and melted, it is solidified to form an adhesive layer, whereby the second member can be reliably fixed to the inside of the first member.
Furthermore, since the adhesive layer is obtained by solidifying the paste, the first member and the second member can be relatively fixed at arbitrary positions.
　さらに、本発明のセラミック構造体は、以下の態様であることが望ましい。
（１）前記第１部材の前記第２内側面または前記第２部材の前記第２外側面にも前記ペーストを塗布して固化させ、接着層を形成する。
　このため、第２部材の下面である第２外側面は、接着層を介して第１部材の下面である第２内側面に固定されるので、第２部材を第１部材に対してさらに確実に固定することができる。 Furthermore, it is desirable that the ceramic structure of the present invention has the following aspect.
(1) The paste is applied and solidified on the second inner surface of the first member or the second outer surface of the second member to form an adhesive layer.
For this reason, the second outer surface, which is the lower surface of the second member, is fixed to the second inner surface, which is the lower surface of the first member, with the adhesive layer interposed therebetween. Can be fixed to.
（２）前記第１部材および前記第２部材は、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含む。 (2) The first member and the second member include any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia.
（３）前記第１部材および前記第２部材に対して、金属または半金属を溶融含浸させたものである。
　このため、第１部材および第２部材を形成する多孔質セラミックの気孔に溶融した金属または半金属が侵入して固化することにより多孔質セラミックを緻密化して、第１部材および第２部材の気密性を向上させることができる。 (3) The first member and the second member are impregnated with a metal or a semimetal.
Therefore, the molten ceramic or metalloid penetrates into the pores of the porous ceramic forming the first member and the second member and solidifies by densifying the porous ceramic, so that the airtightness of the first member and the second member is increased. Can be improved.
（４）前記金属は、珪素である。 (4) The metal is silicon.
　また、前記課題を解決するための本発明のセラミック構造体の製造方法は、互いに対向する一対の第１内側面と、前記各第１内側面にそれぞれ隣り合う第２内側面と、を有し、前記各第１内側面および前記第２内側面に沿って断面形状が連続する第１部材を多孔質セラミックにより作成するとともに、互いに離れる方向を向く一対の第１外側面と、前記各第１外側面にそれぞれ隣り合う第２外側面とを有する第２部材を多孔質セラミックにより作成し、骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを、前記第１部材の前記各第１内側面または前記第２部材の前記各第１外側面に塗布した後、前記第１部材の前記各第１内側面と前記第２部材の前記各第１外側面とがそれぞれ前記ペーストを介して向かい合うとともに、前記第１部材の前記第２内側面と前記第２部材の前記第２外側面とが向かい合うように前記第１部材および前記第２部材を相対的に配置させ、前記ペーストを固化させる固化工程を行う。 Moreover, the manufacturing method of the ceramic structure of the present invention for solving the above-described problem includes a pair of first inner side surfaces facing each other, and second inner side surfaces respectively adjacent to the first inner side surfaces. The first member having a continuous cross-sectional shape along each of the first inner surface and the second inner surface is made of porous ceramic, and a pair of first outer surfaces facing away from each other, and the first members A second member having a second outer surface adjacent to the outer surface is made of porous ceramic, and as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, zirconia is used. And a paste containing an organic binder or an inorganic binder as a binder is applied to each first inner surface of the first member or each first outer surface of the second member. The first inner surface of the first member and the first outer surface of the second member face each other via the paste, and the second inner surface of the first member and the second member The first member and the second member are relatively arranged so as to face the second outer surface of the material, and a solidification step of solidifying the paste is performed.
　本発明のセラミック構造体の製造方法は、まず、互いに対向する一対の第１内側面と、各第１内側面にそれぞれ隣り合う第２内側面と、を有する断面形状が連続する第１部材を多孔質セラミックとなる材料により成型する。第１部材は、押出成形により作製することができる。また、互いに離れる方向を向く一対の第１外側面と、各第１外側面にそれぞれ隣り合う第２外側面とを有する第２部材を多孔質セラミックとなる材料により成型する。第２部材は、第１部材の断面形状に対応しており、第１部材の内部に収容可能である。 In the method for manufacturing a ceramic structure according to the present invention, first, a first member having a continuous cross-sectional shape having a pair of first inner surfaces facing each other and a second inner surface adjacent to each first inner surface is provided. Molded with a material that will be a porous ceramic. The first member can be produced by extrusion molding. Further, a second member having a pair of first outer surfaces facing away from each other and a second outer surface adjacent to each first outer surface is molded from a material that becomes a porous ceramic. The second member corresponds to the cross-sectional shape of the first member and can be accommodated inside the first member.
　そして、第２部材の各第１外側面に骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを塗布する。その後、各第１外側面と各第１内側面とがそれぞれペーストを介して向かい合うとともに、第２外側面と第２内側面とが向かい合うように第１部材および第２部材を相対的に配置し、少なくともペーストの溶媒が気化する程度の固化工程を行う。
　これにより、ペーストが固化して接着層となり、互いに連続方向が異なる２つの部材を接合することができる。
　さらに、接着層は、ペーストを固化させて得られるため、第１部材および第２部材を相対的に任意位置で固定できる。 Each of the first outer surfaces of the second member includes, as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia, and an organic binder or an inorganic binder as a binder. Apply paste containing. Thereafter, the first member and the second member are relatively arranged so that each first outer surface and each first inner surface face each other through the paste, and each second outer surface and second inner surface face each other. Then, a solidification step is performed so that at least the solvent of the paste is vaporized.
Thereby, the paste is solidified to form an adhesive layer, and two members having different continuous directions can be joined.
Furthermore, since the adhesive layer is obtained by solidifying the paste, the first member and the second member can be relatively fixed at arbitrary positions.
　さらに、本発明のセラミック構造体の製造方法は、以下の態様であることが望ましい。
（１）前記固化工程は、少なくとも前記ペーストの溶媒を気化させて乾燥させる工程である。
　これにより、互いに連続方向が異なる２つの部材を接合することができる。 Furthermore, it is desirable that the method for producing a ceramic structure of the present invention is as follows.
(1) The solidification step is a step of evaporating at least the solvent of the paste and drying it.
Thereby, two members having different continuous directions can be joined.
（２）前記固化工程の後、前記第１部材および前記第２部材に金属または半金属を溶融含浸させる加熱工程を行う。
　このため、第１部材および第２部材を形成する多孔質セラミックの気孔に溶融した金属または半金属が侵入して固化することにより多孔質セラミックを緻密化して、第１部材および第２部材の気密性を向上させることができる。 (2) After the solidification step, a heating step is performed in which the first member and the second member are melt-impregnated with a metal or a semimetal.
Therefore, the molten ceramic or metalloid penetrates into the pores of the porous ceramic forming the first member and the second member and solidifies by densifying the porous ceramic, so that the airtightness of the first member and the second member is increased. Can be improved.
（３）前記金属は、珪素である。 (3) The metal is silicon.
（第１実施形態）
　第１実施形態のセラミック構造体およびセラミック構造体の製造方法について説明する。 (First embodiment)
The ceramic structure of the first embodiment and the method for manufacturing the ceramic structure will be described.
　図１（Ａ）および図１（Ｂ）に示すように、第１実施形態のセラミック構造体１０Ａは、多孔質セラミックである第１部材２０Ａと、第２部材３０Ａとを有する。第１部材２０Ａおよび第２部材３０Ａは、珪素（Ｓｉ）を溶融含浸させたものである。多孔質セラミックとしては、例えば、炭化珪素（ＳｉＣ）、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニア等を挙げることができる。
　第１部材２０Ａは、互いに対向する一対の第１内側面２１、２２と、各第１内側面２１、２２にそれぞれ隣り合う第２内側面２３と、を有する。従って、第１部材２０Ａは、例えばコ字状の断面が長手方向に連続するため、長手方向に押出成形することができる。
　なお、以下の説明においては、第１部材２０Ａの長手方向を「前」および「後」とし、図１（Ａ）における上側を「上」、下側を「下」と云うこととする。 As shown in FIGS. 1A and 1B, the ceramic structure 10A of the first embodiment includes a first member 20A that is a porous ceramic and a second member 30A. The first member 20A and the second member 30A are melt-impregnated with silicon (Si). Examples of the porous ceramic include silicon carbide (SiC), cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia.
The first member 20 </ b> A includes a pair of first inner side surfaces 21 and 22 that face each other, and a second inner side surface 23 that is adjacent to each of the first inner side surfaces 21 and 22. Accordingly, the first member 20A can be extruded in the longitudinal direction because, for example, the U-shaped cross section is continuous in the longitudinal direction.
In the following description, the longitudinal direction of the first member 20A is referred to as “front” and “rear”, the upper side in FIG. 1A is referred to as “upper”, and the lower side is referred to as “lower”.
　第２部材３０Ａは、第１部材２０Ａの一対の第１内側面２１、２２と第２内側面２３とにより形成される内部空間２４の形状に対応した形状、すなわち矩形状の板状部材である。第２部材３０Ａは、第１部材２０Ａの各第１内側面２１、２２にそれぞれ向かい合う一対の第１外側面３１、３２と、各第１外側面３１、３２にそれぞれ隣り合うとともに第１部材２０Ａの第２内側面２３に向かい合う第２外側面３３とを有する。第２部材３０Ａは、第１部材２０Ａの内部空間２４内に、第１部材２０Ａの押出方向である長手方向に直交する方向に配置される。 The second member 30A is a shape corresponding to the shape of the internal space 24 formed by the pair of first inner side surfaces 21 and 22 and the second inner side surface 23 of the first member 20A, that is, a rectangular plate-like member. . The second member 30A is adjacent to each of the first outer side surfaces 31, 32 facing each of the first inner side surfaces 21, 22 of the first member 20A, and each of the first outer side surfaces 31, 32, and the first member 20A. And a second outer side surface 33 facing the second inner side surface 23. The second member 30A is disposed in the internal space 24 of the first member 20A in a direction orthogonal to the longitudinal direction that is the extrusion direction of the first member 20A.
　そして、第１内側面２１と第１外側面３１との間、および第１内側面２２と第１外側面３２との間、すなわち上下方向に沿って、接着層４０が設けられている。
　さらに、第２内側面２３と第２外側面３３との間、すなわち、第１部材２０Ａの内部空間２４の底面および第２部材３０Ａの底面にも接着層４０が設けられている。
　接着層４０は、炭化珪素（ＳｉＣ）を含むペースト４１により成形される。 An adhesive layer 40 is provided between the first inner surface 21 and the first outer surface 31 and between the first inner surface 22 and the first outer surface 32, that is, along the vertical direction.
Furthermore, the adhesive layer 40 is also provided between the second inner side surface 23 and the second outer side surface 33, that is, the bottom surface of the internal space 24 of the first member 20A and the bottom surface of the second member 30A.
Adhesive layer 40 is formed of paste 41 containing silicon carbide (SiC).
　次に、第１実施形態のセラミック構造体１０Ａの製造方法について説明する。
　まず、互いに対向する一対の第１内側面２１、２２と、各第１内側面２１、２２にそれぞれ隣り合う第２内側面２３とを有する断面形状が連続する第１部材２０Ａを多孔質セラミックとなる材料により押出成形する。第１部材２０Ａは、断面コ字状の部材である。
　また、互いに離れる方向を向く一対の第１外側面３１、３２と、各第１外側面３１、３２にそれぞれ隣り合う第２外側面３３とを有する第２部材３０Ａを多孔質セラミックとなる材料により成型する。第２部材３０Ａは、矩形板状の部材である。
　その後、第１部材２０Ａおよび第２部材３０Ａを焼成して、多孔質セラミックの第１部材２０Ａおよび第２部材３０Ａを得る。 Next, a method for manufacturing the ceramic structure 10A of the first embodiment will be described.
First, a first member 20A having a pair of first inner side surfaces 21 and 22 facing each other and a second inner side surface 23 adjacent to each of the first inner side surfaces 21 and 22 is continuously formed as a porous ceramic. Extrusion is performed with the material to be formed. The first member 20A is a member having a U-shaped cross section.
Further, the second member 30A having a pair of first outer surfaces 31, 32 facing away from each other and a second outer surface 33 adjacent to each of the first outer surfaces 31, 32 is made of a material that becomes a porous ceramic. Mold. The second member 30A is a rectangular plate member.
Thereafter, the first member 20A and the second member 30A are fired to obtain the porous ceramic first member 20A and the second member 30A.
　そして、図２（Ａ）に示すように、第２部材３０Ａの各第１外側面３１、３２にＳｉＣを含む接着層４０を形成するペースト４１を塗布する。このとき、第２外側面３３にもペースト４１を塗布するのが望ましい。
　なお、ペースト４１は、あらかじめ第１部材２０Ａの各第１内側面２１、２２および第２内側面２３に塗布しておいてもよい。
　その後、図２（Ｂ）に示すように、各第１外側面３１、３２と各第１内側面２１、２２とがそれぞれペースト４１を介して向かい合うとともに、第２外側面３３と第２内側面２３とが向かい合うように第１部材２０Ａおよび第２部材３０Ａを相対的に配置する。この状態で、少なくともペースト４１の溶媒が気化する程度の固化工程を行うことにより接着層４０を得る。
　この固化工程は、ペースト４１の溶媒が所定割合で気化して得られた接着層４０が自己形状を維持し、かつ、第１部材２０Ａおよび第２部材３０Ａに対して接着機能を発揮、維持できる程度のものを指す。 Then, as shown in FIG. 2A, a paste 41 for forming an adhesive layer 40 containing SiC is applied to each first outer surface 31, 32 of the second member 30A. At this time, it is desirable to apply the paste 41 also to the second outer surface 33.
The paste 41 may be applied in advance to the first inner side surfaces 21 and 22 and the second inner side surface 23 of the first member 20A.
Thereafter, as shown in FIG. 2B, the first outer surfaces 31 and 32 and the first inner surfaces 21 and 22 face each other through the paste 41, and the second outer surface 33 and the second inner surface. The first member 20 </ b> A and the second member 30 </ b> A are relatively arranged so that the head 23 faces the head 23. In this state, the adhesive layer 40 is obtained by performing a solidification step at least to the extent that the solvent of the paste 41 is vaporized.
In this solidification step, the adhesive layer 40 obtained by vaporizing the solvent of the paste 41 at a predetermined ratio maintains its own shape, and can exhibit and maintain an adhesive function with respect to the first member 20A and the second member 30A. Refers to the degree.
　最後に、図２（Ｃ）に示すように、固化工程の後、第１部材２０Ａおよび第２部材３０ＡにＳｉを溶融含浸させる加熱工程を行う。
　このように、第１部材２０Ａおよび第２部材３０Ａに対してＳｉを溶融含浸させる加熱工程に先立って、少なくともペースト４１の溶媒が気化する程度の固化工程を行うため、多孔質の状態である第１部材２０Ａおよび第２部材３０Ａの気孔にペースト４１が容易に浸入する。このため、第１部材２０Ａおよび第２部材３０Ａに対してペースト４１が馴染み易く、第１部材２０Ａに対する接着層４０の接着強度および第２部材３０Ａに対する接着層４０の接着強度が良好に得られ、結果的に第１部材２０Ａおよび第２部材３０Ａを強固に接着できる。 Finally, as shown in FIG. 2 (C), after the solidification step, a heating step of melting and impregnating Si into the first member 20A and the second member 30A is performed.
In this way, prior to the heating step in which the first member 20A and the second member 30A are melt-impregnated with Si, a solidification step at least to the extent that the solvent of the paste 41 is vaporized is performed. The paste 41 easily enters the pores of the first member 20A and the second member 30A. For this reason, the paste 41 is easy to become familiar with the first member 20A and the second member 30A, and the adhesive strength of the adhesive layer 40 to the first member 20A and the adhesive strength of the adhesive layer 40 to the second member 30A are favorably obtained. As a result, the first member 20A and the second member 30A can be firmly bonded.
　次に、第１実施形態のセラミック構造体１０Ａの作用、効果について説明する。
　第１実施形態のセラミック構造体１０Ａは、互いに対向する一対の第１内側面２１、２２と、各第１内側面２１、２２にそれぞれ隣り合う第２内側面２３と、を有する断面形状が連続する多孔質セラミックである第１部材２０Ａを有する。また、各第１内側面２１、２２にそれぞれ向かい合う一対の第１外側面３１、３２と、各第１外側面３１、３２にそれぞれ隣り合うとともに第２内側面２３に向かい合う第２外側面３３とを有する多孔質セラミックである第２部材３０Ａを有する。そして、各第１内側面２１、２２および各第１外側面３１、３２の間には、接着層４０が設けられている。 Next, functions and effects of the ceramic structure 10A of the first embodiment will be described.
The ceramic structure 10A of the first embodiment has a continuous cross-sectional shape having a pair of first inner side surfaces 21 and 22 facing each other and a second inner side surface 23 adjacent to the first inner side surfaces 21 and 22, respectively. The first member 20A is a porous ceramic. In addition, a pair of first outer side surfaces 31 and 32 facing the first inner side surfaces 21 and 22 respectively, and a second outer side surface 33 adjacent to the first outer side surfaces 31 and 32 and facing the second inner side surface 23, respectively. The second member 30A, which is a porous ceramic having An adhesive layer 40 is provided between the first inner side surfaces 21 and 22 and the first outer side surfaces 31 and 32.
　このため、第１部材２０Ａは例えば断面コ字状を呈しており、長手方向に押し出し成形することができる。第１部材２０Ａの内側には、第１部材２０Ａの断面形状に対応した形状の第２部材３０Ａが、第１部材２０Ａの押し出し方向と交差する方向に取り付けられる。このとき、第２部材３０Ａはペースト４１が固化した接着層４０により第１部材２０Ａの内側に固定される。
　これにより、互いに連続方向が異なる２つの部材（第１部材２０Ａ、第２部材３０Ａ）を接合することができる。 For this reason, the first member 20A has, for example, a U-shaped cross section, and can be extruded in the longitudinal direction. Inside the first member 20A, a second member 30A having a shape corresponding to the cross-sectional shape of the first member 20A is attached in a direction crossing the pushing direction of the first member 20A. At this time, the second member 30A is fixed to the inside of the first member 20A by the adhesive layer 40 in which the paste 41 is solidified.
Thereby, two members (the first member 20A and the second member 30A) having different continuous directions can be joined.
　また、第１部材２０Ａと第２部材３０Ａとを結合する接着層４０は、骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペースト４１によって形成される。
　このため、ペースト４１が加熱されて溶融した後に固化して接着層４０となり、これにより第２部材３０Ａを第１部材２０Ａの内側に確実に固定することができる。
　さらに、接着層４０は、ペースト４１を固化させて得られるため、第１部材２０Ａおよび第２部材３０Ａを相対的に任意位置で固定できる。 The adhesive layer 40 that joins the first member 20A and the second member 30A includes, as an aggregate, any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia. As a paste 41 containing an organic binder or an inorganic binder.
For this reason, after the paste 41 is heated and melted, the paste 41 is solidified to form the adhesive layer 40, whereby the second member 30A can be reliably fixed to the inside of the first member 20A.
Furthermore, since the adhesive layer 40 is obtained by solidifying the paste 41, the first member 20A and the second member 30A can be relatively fixed at arbitrary positions.
　第１実施形態のセラミック構造体１０Ａによれば、第２部材３０Ａの下面である第２外側面３３は、接着層４０を介して第１部材２０Ａの下面である第２内側面２３に固定されるので、第２部材３０Ａを第１部材２０Ａに対してさらに確実に固定することができる。 According to the ceramic structure 10A of the first embodiment, the second outer surface 33 that is the lower surface of the second member 30A is fixed to the second inner surface 23 that is the lower surface of the first member 20A via the adhesive layer 40. Therefore, the second member 30A can be more reliably fixed to the first member 20A.
　また、第１実施形態のセラミック構造体１０Ａによれば、第１部材２０Ａおよび第２部材３０Ａは、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含むため、第１部材２０Ａと第２部材３０Ａと接着層４０とは互いに物理特性などが似ており、接着後も強度などの物理特性が好適である。
　特に第１部材２０Ａと第２部材３０Ａと接着層４０との素材を揃えた場合には、熱膨張などの諸特性が揃い、より一層好適である。 Further, according to the ceramic structure 10A of the first embodiment, the first member 20A and the second member 30A include any of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia. The first member 20A, the second member 30A, and the adhesive layer 40 have similar physical characteristics and the like, and the physical characteristics such as strength are suitable after bonding.
In particular, when the materials of the first member 20A, the second member 30A, and the adhesive layer 40 are aligned, various characteristics such as thermal expansion are aligned, which is even more preferable.
　第１実施形態のセラミック構造体１０Ａによれば、第１部材２０Ａおよび第２部材３０Ａは、金属または半金属、例えばＳｉを溶融含浸させたものである。このため、第１部材２０Ａおよび第２部材３０Ａを緻密化することができ、気密性を向上させることができる。 According to the ceramic structure 10A of the first embodiment, the first member 20A and the second member 30A are melt-impregnated with a metal or a semimetal such as Si. For this reason, the first member 20A and the second member 30A can be densified, and the airtightness can be improved.
　次に、第１実施形態のセラミック構造体の製造方法の作用、効果について説明する。
　第１実施形態のセラミック構造体の製造方法によれば、第１部材２０Ａおよび第２部材３０Ａに対してＳｉを溶融含浸させる加熱工程に先立って、少なくともペースト４１の溶媒が気化する程度の固化工程を行うため、多孔質の状態である第１部材２０Ａおよび第２部材３０Ａの気孔にペースト４１が容易に浸入する。このため、第１部材２０Ａおよび第２部材３０Ａに対してペースト４１が馴染み易く、第１部材２０Ａに対する接着層４０の接着強度および第２部材３０Ａに対する接着層４０の接着強度が良好に得られ、結果的に第１部材２０Ａおよび第２部材３０Ａを強固に接着できる。 Next, the operation and effect of the method for manufacturing the ceramic structure of the first embodiment will be described.
According to the method for manufacturing a ceramic structure of the first embodiment, prior to the heating step in which the first member 20A and the second member 30A are melted and impregnated with Si, at least a solidification step in which the solvent of the paste 41 is evaporated. Therefore, the paste 41 easily enters the pores of the first member 20A and the second member 30A that are in the porous state. For this reason, the paste 41 is easy to become familiar with the first member 20A and the second member 30A, and the adhesive strength of the adhesive layer 40 to the first member 20A and the adhesive strength of the adhesive layer 40 to the second member 30A are favorably obtained. As a result, the first member 20A and the second member 30A can be firmly bonded.
（第２実施形態）
　次に、第２実施形態のセラミック構造体１０Ｂについて説明する。
　なお、前述した第１実施形態のセラミック構造体１０Ａおよびセラミック構造体の製造方法と共通する部位には同じ符号を付して、重複する説明を省略することとする。 (Second Embodiment)
Next, the ceramic structure 10B of the second embodiment will be described.
In addition, suppose that the same code | symbol is attached | subjected to the site | part which is common with the ceramic structure 10A of 1st Embodiment mentioned above, and the manufacturing method of a ceramic structure, and the overlapping description is abbreviate | omitted.
　図３（Ａ）ないし図３（Ｃ）に示すように、第２実施形態のセラミック構造体１０Ｂでは、第２部材３０Ｂの一対の第１外側面３１、３２に、凹凸３４を設けた。凹凸３４は、第１外側面３１、３２の下端から上端まで設けるのが望ましい。凹凸３４の形状は特に限定するものではないが、例えば、山形、波形、矩形等が採用できる。
　一対の第１外側面３１、３２における凹凸３４の先端３４１（図３（Ｃ）参照）間の距離Ｌ１は、第１部材２０Ａの一対の第１内側面２１、２２間の距離Ｌ２よりも若干大きいが、凹凸３４の底部３４２間の距離Ｌ３は、距離Ｌ２よりも小さい。 As shown in FIGS. 3A to 3C, in the ceramic structure 10B of the second embodiment, the unevenness 34 is provided on the pair of first outer side surfaces 31 and 32 of the second member 30B. The unevenness 34 is desirably provided from the lower end to the upper end of the first outer side surfaces 31 and 32. Although the shape of the unevenness | corrugation 34 is not specifically limited, For example, a mountain shape, a waveform, a rectangle, etc. are employable.
A distance L1 between the tips 341 of the unevenness 34 on the pair of first outer surfaces 31 and 32 (see FIG. 3C) is slightly larger than a distance L2 between the pair of first inner surfaces 21 and 22 of the first member 20A. Although it is large, the distance L3 between the bottom portions 342 of the unevenness 34 is smaller than the distance L2.
　従って、図３（Ｃ）に示すように、第２部材３０Ｂを第１部材２０Ａの内部空間２４に嵌める際には、凹凸３４の先端３４１が、一対の第１内側面２１、２２に当接し、削られながら挿入される。この際に、ペースト４１も削られるが、凹凸３４の凹部にはペースト４１が保持される。
　このため、第２部材３０Ｂは、ペースト４１によって確実に第１部材２０Ａに接合される。
　なお、セラミック構造体１０Ｂの製造方法は、前述した第１実施形態におけるセラミック構造体１０Ａの製造方法と同様にすることができる。 Therefore, as shown in FIG. 3C, when the second member 30B is fitted into the internal space 24 of the first member 20A, the tip 341 of the unevenness 34 abuts against the pair of first inner side surfaces 21 and 22. , Inserted while being cut. At this time, the paste 41 is also scraped, but the paste 41 is held in the recesses of the irregularities 34.
For this reason, the second member 30B is reliably bonded to the first member 20A by the paste 41.
The manufacturing method of the ceramic structure 10B can be the same as the manufacturing method of the ceramic structure 10A in the first embodiment described above.
（第３実施形態）
　次に、第３実施形態のセラミック構造体１０Ｃについて説明する。
　なお、前述した第１実施形態のセラミック構造体１０Ａおよびセラミック構造体の製造方法、第２実施形態のセラミック構造体１０Ｂと共通する部位には同じ符号を付して、重複する説明を省略することとする。 (Third embodiment)
Next, the ceramic structure 10C of the third embodiment will be described.
In addition, the same code | symbol is attached | subjected to the site | part which is common in the ceramic structure 10A and ceramic structure 10A of 1st Embodiment mentioned above, and the ceramic structure 10B of 2nd Embodiment, and the overlapping description is abbreviate | omitted. And
　図４（Ａ）および図４（Ｂ）に示すように、第３実施形態のセラミック構造体１０Ｃでは、矩形箱状の第１部材２０Ｃの内部を第２部材３０Ｃにより４分割している。
　第１部材２０Ｃは、一対の第１内側面２１、２２と１個の第２内側面２３を有する断面コ字状部材の前後両端に端板２５を設けたものである。
　また、第２部材３０Ｃは、縦部材３５と横部材３６によって構成される。縦部材３５には、長手方向中央の上部に、上側に開口する切込み３５１が設けられている。横部材３６には、長手方向中央の下部に、下側に開口する切込み３６１が設けられている。切込み３５１の幅は横部材３６の厚さと略等しく、長さは横部材３６の幅（高さ）の半分よりも大きい。また、切込み３６１の幅は縦部材３５の厚さと略等しく、長さは縦部材３５の幅の半分よりも大きい。
　従って、切込み３５１と切込み３６１とを相互に嵌入することにより、十字形状の第２部材３０Ｃを形成する。 As shown in FIGS. 4A and 4B, in the ceramic structure 10C of the third embodiment, the interior of the rectangular box-shaped first member 20C is divided into four by the second member 30C.
The first member 20 </ b> C is provided with end plates 25 at both front and rear ends of a U-shaped cross-sectional member having a pair of first inner side surfaces 21, 22 and one second inner side surface 23.
The second member 30 </ b> C includes a vertical member 35 and a horizontal member 36. The vertical member 35 is provided with an incision 351 that opens upward in the upper center of the longitudinal direction. The transverse member 36 is provided with a notch 361 that opens downward in the lower center of the longitudinal direction. The width of the cut 351 is substantially equal to the thickness of the horizontal member 36, and the length is larger than half of the width (height) of the horizontal member 36. The width of the notch 361 is substantially equal to the thickness of the vertical member 35, and the length is larger than half of the width of the vertical member 35.
Therefore, the cross-shaped second member 30C is formed by fitting the cut 351 and the cut 361 to each other.
　次に、第３実施形態のセラミック構造体の製造方法について説明する。
　第３実施形態のセラミック構造体の製造方法においては、まず、上方が開口した矩形箱状の第１部材２０Ｃを形成する。すなわち、前述した第１実施形態の製造方法と同様にして第１部材２０Ａを作製するとともに、２個の第２部材３０Ａ、縦部材３５および横部材３６を作製する。 Next, the manufacturing method of the ceramic structure of 3rd Embodiment is demonstrated.
In the method for manufacturing a ceramic structure according to the third embodiment, first, a rectangular box-shaped first member 20 </ b> C whose top is opened is formed. That is, the first member 20A is manufactured in the same manner as the manufacturing method of the first embodiment described above, and the two second members 30A, the vertical member 35, and the horizontal member 36 are manufactured.
　そして、第１実施形態と同様にして、第１部材２０Ａの長手方向両端にそれぞれ端板２５を設けてペースト４１により接合して、矩形箱状の第１部材２０Ｃを作製する。
　次に、縦部材３５を、第１部材２０Ｃの内部において幅方向中央に長手方向に沿って配置し、ペースト４１によって一対の端板２５間に取り付ける。その後、横部材３６の切込み３６１を縦部材３５の切込み３５１に嵌入させて、横部材３６を取り付ける。横部材３６の両端および切込み３６１は、ペースト４１によって接合されている。また、縦部材３５および横部材３６の下面にもペースト４１を塗布するのが望ましい。
　以後、第１実施形態と同様にして、固化工程および加熱工程を行う。 Then, in the same manner as in the first embodiment, end plates 25 are provided at both ends in the longitudinal direction of the first member 20A and joined with the paste 41 to produce a rectangular box-shaped first member 20C.
Next, the longitudinal member 35 is disposed along the longitudinal direction at the center in the width direction inside the first member 20 </ b> C, and is attached between the pair of end plates 25 with the paste 41. Thereafter, the cut 361 of the horizontal member 36 is fitted into the cut 351 of the vertical member 35, and the horizontal member 36 is attached. Both ends of the horizontal member 36 and the cut 361 are joined by the paste 41. Also, it is desirable to apply the paste 41 to the lower surfaces of the vertical member 35 and the horizontal member 36.
Thereafter, the solidification step and the heating step are performed in the same manner as in the first embodiment.
　このようにしても、前述した第１実施形態および第２実施形態と同様に、互いに連続方向が異なる複数の部材を接合することができる。 Even in this case, a plurality of members having different continuous directions can be joined as in the first and second embodiments described above.
　本発明のセラミック構造体およびセラミック構造体の製造方法は、前述した各実施形態に限定されるものでなく、適宜な変形、改良等が可能である。
　本出願は、2014年7月28日出願の日本国特許出願（特願2014-153250）に基づくものであり、それらの内容はここに参照として取り込まれる。 The ceramic structure and the method of manufacturing the ceramic structure of the present invention are not limited to the above-described embodiments, and appropriate modifications and improvements can be made.
This application is based on a Japanese patent application filed on July 28, 2014 (Japanese Patent Application No. 2014-153250), the contents of which are incorporated herein by reference.
　本発明のセラミック構造体およびセラミック構造体の製造方法は、互いに連続方向が異なる２つの部材を接合したセラミック構造体およびセラミック構造体の製造方法に用いることができる。 The ceramic structure and the ceramic structure manufacturing method of the present invention can be used in a ceramic structure in which two members having different continuous directions are joined and a method for manufacturing the ceramic structure.
１０Ａ、１０Ｂ、１０Ｃ　セラミック構造体
２０Ａ、２０Ｃ　第１部材
２１、２２　第１内側面
２３　第２内側面
３０Ａ、３０Ｂ、３０Ｃ　第２部材
３１、３２　第１外側面
３３　第２外側面
４０　接着層
４１　ペースト 10A, 10B, 10C Ceramic structures 20A, 20C First members 21, 22 First inner surface 23 Second inner surfaces 30A, 30B, 30C Second members 31, 32 First outer surface 33 Second outer surface 40 Adhesive layer 41 paste

Claims (9)

  1. 　多孔質セラミックにより作成され、互いに対向する一対の第１内側面と、前記各第１内側面にそれぞれ隣り合う第２内側面と、を有し、前記各第１内側面および前記第２内側面に沿って断面形状が連続する第１部材と、
    　多孔質セラミックにより作成され、前記第１部材の前記各第１内側面にそれぞれ向かい合う一対の第１外側面と、前記各第１外側面にそれぞれ隣り合うとともに前記第１部材の前記第２内側面に向かい合う第２外側面とを有する第２部材とを備え、
    　骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを、前記第１部材の各前記第１内側面または前記第２部材の前記各第１外側面に塗布した後、前記第１部材の前記各第１内側面と前記第２部材の前記各第１外側面とがそれぞれ前記ペーストを介して向かい合うとともに、前記第１部材の前記第２内側面と前記第２部材の前記第２外側面とが向かい合うように前記第１部材および前記第２部材を相対的に配置させ、前記ペーストを固化させることによって形成される接着層を介して、前記第１部材と前記第２部材とを結合することを特徴とするセラミック構造体。     A pair of first inner side surfaces made of porous ceramics and opposed to each other, and second inner side surfaces adjacent to the first inner side surfaces, respectively, the first inner side surfaces and the second inner side surfaces A first member having a continuous cross-sectional shape along
    A pair of first outer surfaces made of porous ceramic and facing the first inner surfaces of the first member, respectively, and adjacent to the first outer surfaces and the second inner surface of the first member A second member having a second outer surface facing
    As the aggregate, any one of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia is used, and as the binder, a paste containing an organic binder or an inorganic binder is used as each of the first members. After applying to one inner surface or each first outer surface of the second member, the first inner surface of the first member and the first outer surface of the second member are respectively passed through the paste. The first member and the second member are relatively disposed so that the second inner surface of the first member and the second outer surface of the second member face each other, and the paste is solidified. A ceramic structure characterized in that the first member and the second member are bonded via an adhesive layer formed by the step.
  2. 　前記第１部材の前記第２内側面または前記第２部材の前記第２外側面にも前記ペーストを塗布して固化させ、接着層を形成することを特徴とする請求項１に記載のセラミック構造体。 2. The ceramic structure according to claim 1, wherein the paste is applied to the second inner side surface of the first member or the second outer side surface of the second member to be solidified to form an adhesive layer. body.
  3. 　前記第１部材および前記第２部材は、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含むことを特徴とする請求項１または請求項２に記載のセラミック構造体。 3. The ceramic according to claim 1, wherein the first member and the second member include any one of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia. Structure.
  4. 　前記第１部材および前記第２部材に対して、金属または半金属を溶融含浸させたことを特徴とする請求項１ないし請求項３のうちのいずれか１項に記載のセラミック構造体。 4. The ceramic structure according to claim 1, wherein the first member and the second member are melt-impregnated with a metal or a semimetal.
  5. 　前記金属は、珪素であることを特徴とする請求項４に記載のセラミック構造体。 The ceramic structure according to claim 4, wherein the metal is silicon.
  6. 　互いに対向する一対の第１内側面と、前記各第１内側面にそれぞれ隣り合う第２内側面と、を有し、前記各第１内側面および前記第２内側面に沿って断面形状が連続する第１部材を多孔質セラミックにより作成するとともに、
    　互いに離れる方向を向く一対の第１外側面と、前記各第１外側面にそれぞれ隣り合う第２外側面とを有する第２部材を多孔質セラミックにより作成し、
    　骨材として、炭化珪素、コーディエライト、アルミナ、ムライト、窒化珪素、アルミニウムチタネート、ジルコニアの何れかを含み、結合材として、有機バインダまたは無機バインダを含むペーストを、前記第１部材の前記各第１内側面または前記第２部材の前記各第１外側面に塗布した後、
    　前記第１部材の前記各第１内側面と前記第２部材の前記各第１外側面とがそれぞれ前記ペーストを介して向かい合うとともに、前記第１部材の前記第２内側面と前記第２部材の前記第２外側面とが向かい合うように前記第１部材および前記第２部材を相対的に配置させ、
    　前記ペーストを固化させる固化工程を行うことを特徴とするセラミック構造体の製造方法。     A pair of first inner side surfaces facing each other and a second inner side surface adjacent to each of the first inner side surfaces, the cross-sectional shape being continuous along each of the first inner side surface and the second inner side surface The first member to be made is made of porous ceramic,
    A second member having a pair of first outer surfaces facing away from each other and a second outer surface adjacent to each of the first outer surfaces is made of porous ceramic,
    As the aggregate, any one of silicon carbide, cordierite, alumina, mullite, silicon nitride, aluminum titanate, and zirconia is used, and as the binder, a paste containing an organic binder or an inorganic binder is used as each of the first members. After applying to one inner surface or each first outer surface of the second member,
    The first inner surface of the first member and the first outer surface of the second member face each other via the paste, and the second inner surface of the first member and the second member of the second member Relatively disposing the first member and the second member so that the second outer surface faces each other,
    A method for producing a ceramic structure, comprising performing a solidification step of solidifying the paste.
  7. 　前記固化工程は、少なくとも前記ペーストの溶媒を気化させて乾燥させる工程であることを特徴とする請求項６に記載のセラミック構造体の製造方法。 The method for producing a ceramic structure according to claim 6, wherein the solidifying step is a step of evaporating at least the solvent of the paste and drying it.
  8. 　前記固化工程の後、前記第１部材および前記第２部材に金属または半金属を溶融含浸させる加熱工程を行うことを特徴とする請求項６または請求項７に記載のセラミック構造体の製造方法。 The method for manufacturing a ceramic structure according to claim 6 or 7, wherein after the solidifying step, a heating step of melting and impregnating the first member and the second member with a metal or a semimetal is performed.
  9. 　前記金属は、珪素であることを特徴とする請求項８に記載のセラミック構造体の製造方法。 The method for manufacturing a ceramic structure according to claim 8, wherein the metal is silicon.
PCT/JP2015/071350 2014-07-28 2015-07-28 Ceramic structure and production method of ceramic structure WO2016017626A1 (en)

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JP2008137830A (en) * 2006-11-30 2008-06-19 Toshiba Corp Ceramic composite member and method of manufacturing the same
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JP2009126724A (en) * 2007-11-20 2009-06-11 Bridgestone Corp Member for silicon carbide joined structure, and joining method for member for silicon carbide joined structure

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JP2002104885A (en) * 2000-09-26 2002-04-10 Toshiba Ceramics Co Ltd Jointing body of silicon carbide member and its jointing method
JP2002124364A (en) * 2000-10-17 2002-04-26 Bridgestone Corp Heater and semiconductor manufacturing apparatus
JP2008137830A (en) * 2006-11-30 2008-06-19 Toshiba Corp Ceramic composite member and method of manufacturing the same
JP2009051684A (en) * 2007-08-24 2009-03-12 Bridgestone Corp Silicon carbide structure, and method for producing silicon carbide structure
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