CN108844370A - A kind of plasma sintering equipment of MoAlB ceramic block - Google Patents
A kind of plasma sintering equipment of MoAlB ceramic block Download PDFInfo
- Publication number
- CN108844370A CN108844370A CN201810938965.3A CN201810938965A CN108844370A CN 108844370 A CN108844370 A CN 108844370A CN 201810938965 A CN201810938965 A CN 201810938965A CN 108844370 A CN108844370 A CN 108844370A
- Authority
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- China
- Prior art keywords
- compression bar
- interior
- mold
- sintering equipment
- external compression
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
- F27B17/0041—Chamber type furnaces specially adapted for burning bricks or pottery
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/5805—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/066—Vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/0018—Cooling of furnaces the cooling medium passing through a pattern of tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/03—Charges containing minerals
- F27M2001/035—China
Abstract
This application provides a kind of plasma sintering equipments of MoAlB ceramic block, including vacuum discharge plasma agglomeration furnace, the cylindric outer mold being arranged in vacuum discharge plasma agglomeration furnace, the cylindric interior mold being arranged in outer mold, the upper and lower ends of the interior mold are respectively inserted with interior compression bar and lower interior compression bar in the cylinder for playing increase pressure and sealing function;The upper and lower ends of the outer mold are respectively inserted with external compression bar and lower external compression bar in the cylinder for playing increase pressure and sealing function, the lower end of the upper external compression bar pushes against the upper end of the upper interior compression bar, the upper end of the lower external compression bar pushes against the lower end of the lower interior compression bar, the upper end of the upper external compression bar is by pressure motor driven on one, the lower end of the lower external compression bar is by pressure motor driven once, the upper end of the upper external compression bar and the lower end of the lower external compression bar are also respectively provided with top electrode and lower electrode, top electrode and lower electrode are electrically connected with direct current pulse power source.
Description
Technical field
This application involves a kind of plasma sintering equipments of MoAlB ceramic block.
Background technique
In the prior art, MoAlB ceramics are the ternary transition metal borides of nanometer laminated structure, the boride be by
It is mingled with what single or double layer Al was staggered to form in transition metal boride Mo-B dot matrix;Since MoAlB ceramics have this spy
Different ternary layered structure so that it has conductive, heating conduction well, and has good self-lubrication, wear-resistant
With the performances such as easy processing;Its conductivity is higher (2.91 × 106 Ω -1m-1) at room temperature, it also has preferable thermal conductivity
(29.21Wm-1K-1), lower thermal expansion coefficient (9.5 × 10-6K-1);The one kind of MoAlB ceramics as ceramics simultaneously, tool
There are the various excellent properties of ceramics, high-temperature stability is good, and intensity hardness is high;Experimental result shows that the MoAlB ceramics are in indifferent gas
It is stable when temperature is up to 1400 DEG C in atmosphere;Compared to other transition metal borides, the Vickers hardness of MoAlB compares
It is low, it is 9.30 ± 0.44GPa, and the bending strength for measuring it at room temperature is 456.40 ± 19.12MPa;Therefore, MoAlB
Ceramics have very big application prospect, high-temperature structural material, ceramic enhancement phase, in terms of all will be extensive
Using.In the preparation of our superconductor MoAlB ceramic blocks, influence of the pressure effect to material property is very big, and with routinely
Mold prepare sample with SPS, the effective pressure for acting on sample surfaces under pressure effect only has tens megapascal, cannot effectively mention
High pressure acts on the compactness of lower material.
Summary of the invention
The application technical problems to be solved are to provide a kind of plasma sintering equipment of MoAlB ceramic block.
In order to solve the above-mentioned technical problem, described this application provides a kind of plasma sintering equipment of MoAlB ceramic block
Agglomerating plant include vacuum discharge plasma agglomeration furnace, the cylindric external mold that is arranged in vacuum discharge plasma agglomeration furnace
The cylindric interior mold for having, being arranged in the outer mold, the upper and lower ends of the interior mold increase inserted with respectively
Interior compression bar and lower interior compression bar in the cylinder of plus-pressure and sealing function;The upper and lower ends of the outer mold respectively inserted with rise
Increase external compression bar and lower external compression bar in pressure and the cylinder of sealing function, the lower end of the upper external compression bar pushes against described
The upper end of compression bar in upper, the upper end of the lower external compression bar push against the lower end of the lower interior compression bar, and described is upper outer
By pressure motor driven on one, the lower end of the lower external compression bar is described by pressure motor driven once for the upper end of compression bar
The upper end of upper external compression bar and the lower end of the lower external compression bar be also respectively provided with top electrode and lower electrode, described is upper
Electrode and lower electrode are electrically connected with direct current pulse power source.
Preferably, the agglomerating plant further includes one for by the vacuum discharge plasma agglomeration stove evacuation
Vacuum evacuation device.
Preferably, the agglomerating plant further includes cooling system, and the cooling system is wrapped in vacuum including one and puts
Cooling water pipe on electric plasma agglomeration furnace outer wall, the water tank being connected with the cooling water pipe.
Preferably, the upper interior compression bar includes cylindrical upper internal pressure bar body portion, set on the upper interior compression bar sheet
The cylindrical upper projecting portion of body subordinate, the outer wall in the upper internal pressure bar body portion connect with the inner wall of the outer mold
Touching, the external of the upper projecting portion are inserted into the interior mold, are in contact with the inner wall of interior mold.
Preferably, the lower interior compression bar includes cylindrical lower internal pressure bar body portion, set on the lower interior compression bar sheet
Cylindrical lower convex portion in body portion, the outer wall in the lower internal pressure bar body portion connect with the inner wall of the outer mold
Touching, the external of the lower convex portion are inserted into the interior mold, are in contact with the inner wall of interior mold.
Preferably, the lower end of the upper interior compression bar is provided with one layer of upper graphite paper.
Preferably, the lower end of the lower interior compression bar is provided with one layer of lower graphite paper.
Preferably, the agglomerating plant further includes the water for being pumped into water in the water tank in cooling water pipe
Pump.
A kind of plasma sintering equipment of MoAlB ceramic block of the application has double stack mold, improves agglomerating plant
Leakproofness.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the plasma sintering equipment of MoAlB ceramic block.
Wherein:11, upper external compression bar;12, lower external compression bar;21, upper interior compression bar;22, lower interior compression bar;3, interior mold;4, external mold
Tool;51, top electrode;52, lower electrode;61, upper pressure motor;62, force motor is pushed;7, water tank;71, cooling water pipe;8, it takes out true
Empty device;9, direct current pulse power source;10, vacuum discharge plasma agglomeration furnace.
Specific embodiment
The application is described further in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the application and can be practiced, but illustrated embodiment is not as the restriction to the application.
As shown, this application provides a kind of plasma sintering equipment of MoAlB ceramic block, the agglomerating plant packet
Include vacuum discharge plasma agglomeration furnace 10, the cylindric outer mold 4 that is arranged in vacuum discharge plasma agglomeration furnace 10, setting
Cylindric interior mold 3 in the outer mold 4, the upper and lower ends of the interior mold 3 increase pressure inserted with respectively
Interior compression bar 21 and lower interior compression bar 22 in power and the cylinder of sealing function;The upper and lower ends of the outer mold 4 respectively inserted with
External compression bar 11 and lower external compression bar 12 in the cylinder for increasing pressure and sealing function are acted, the lower end of the upper external compression bar 11 is supported
The upper end of the tight interior compression bar 21, the upper end of the lower external compression bar 12 push against the lower end of the lower interior compression bar 22
Portion, the upper end of the upper external compression bar 11 are driven by pressure motor 61 on one, and the lower end of the lower external compression bar 12 is by one
It pushes force motor 62 to drive, the upper end of the upper external compression bar 11 and the lower end of the lower external compression bar 12 are also respectively set
There are top electrode 51 and lower electrode 52, the top electrode 51 and lower electrode 52 are electrically connected with direct current pulse power source 9.The sintering
Equipment further includes a vacuum evacuation device 8 for vacuumizing the vacuum discharge plasma agglomeration furnace 10.The sintering
Equipment further includes cooling system, the cooling system include one be wrapped in it is cold on 10 outer wall of vacuum discharge plasma agglomeration furnace
But water pipe 71, the water tank 7 being connected with the cooling water pipe 71.The upper interior compression bar 21 includes cylindrical upper interior compression bar
Body part, the cylindrical upper projecting portion set on the upper internal pressure bar body subordinate, the upper internal pressure bar body portion it is outer
Wall is in contact with the inner wall of the outer mold 4, in the external insertion of the upper projecting portion interior mold 3, with internal model
The inner wall of tool 3 is in contact.The lower interior compression bar 22 includes cylindrical lower internal pressure bar body portion, set on the lower interior compression bar
Cylindrical lower convex portion on body part, the inner wall phase of the outer wall and the outer mold 4 in the lower internal pressure bar body portion
Contact, the external of the lower convex portion are inserted into the interior mold 3, are in contact with the inner wall of interior mold 3.Described is upper interior
The lower end of compression bar is provided with one layer of upper graphite paper.The lower end of the lower interior compression bar 22 is provided with one layer of lower graphite paper.Institute
The agglomerating plant stated further includes a water pump for being pumped into water in the water tank 7 in cooling water pipe 71.
A kind of plasma sintering equipment of MoAlB ceramic block of the application has double stack mold, improves agglomerating plant
Leakproofness.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the application, the protection model of the application
It encloses without being limited thereto.Those skilled in the art made equivalent substitute or transformation on the basis of the application, in the application
Protection scope within.The protection scope of the application is subject to claims.
Claims (8)
1. a kind of plasma sintering equipment of MoAlB ceramic block, which is characterized in that the agglomerating plant includes vacuum discharge etc.
Ion sintering furnace, is arranged in the outer mold the cylindric outer mold being arranged in vacuum discharge plasma agglomeration furnace
Cylindric interior mold, the upper and lower ends of the interior mold are respectively inserted with acting the cylinder for increasing pressure and sealing function
Compression bar and lower interior compression bar in upper;The upper and lower ends of the outer mold are respectively inserted with the cylinder for playing increase pressure and sealing function
External compression bar and lower external compression bar in shape, the lower end of the upper external compression bar pushes against the upper end of the upper interior compression bar, described
The upper end of lower external compression bar pushes against the lower end of the lower interior compression bar, and the upper end of the upper external compression bar is by pressure electricity on one
Machine driving, the lower end of the lower external compression bar by pressure motor driven once, the upper end of the upper external compression bar with it is described
The lower end of lower external compression bar be also respectively provided with top electrode and lower electrode, the top electrode and lower electrode and DC pulse
Source electrical connection.
2. a kind of plasma sintering equipment of MoAlB ceramic block as described in claim 1, which is characterized in that the sintering
Equipment further includes one for by the vacuum evacuation device of the vacuum discharge plasma agglomeration stove evacuation.
3. a kind of plasma sintering equipment of MoAlB ceramic block as claimed in claim 2, which is characterized in that the sintering
Equipment further includes cooling system, and the cooling system includes a cooling being wrapped on vacuum discharge plasma agglomeration furnace outer wall
Water pipe, the water tank being connected with the cooling water pipe.
4. a kind of plasma sintering equipment of MoAlB ceramic block as claimed in claim 3, which is characterized in that described is upper interior
Compression bar includes cylindrical upper internal pressure bar body portion, the cylindrical upper projecting portion set on the upper internal pressure bar body subordinate,
The outer wall in the upper internal pressure bar body portion is in contact with the inner wall of the outer mold, the external insertion of the upper projecting portion
In the interior mold, it is in contact with the inner wall of interior mold.
5. a kind of plasma sintering equipment of MoAlB ceramic block as claimed in claim 4, which is characterized in that described is lower interior
Compression bar includes cylindrical lower internal pressure bar body portion, the cylindrical lower convex portion in the lower internal pressure bar body portion,
The outer wall in the lower internal pressure bar body portion is in contact with the inner wall of the outer mold, the external insertion of the lower convex portion
In the interior mold, it is in contact with the inner wall of interior mold.
6. a kind of plasma sintering equipment of MoAlB ceramic block as claimed in claim 5, which is characterized in that described is upper interior
The lower end of compression bar is provided with one layer of upper graphite paper.
7. a kind of plasma sintering equipment of MoAlB ceramic block as claimed in claim 6, which is characterized in that described is lower interior
The lower end of compression bar is provided with one layer of lower graphite paper.
8. a kind of plasma sintering equipment of MoAlB ceramic block as claimed in claim 7, which is characterized in that the sintering
Equipment further includes a water pump for being pumped into water in the water tank in cooling water pipe.
Priority Applications (1)
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CN201810938965.3A CN108844370A (en) | 2018-08-17 | 2018-08-17 | A kind of plasma sintering equipment of MoAlB ceramic block |
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CN201810938965.3A CN108844370A (en) | 2018-08-17 | 2018-08-17 | A kind of plasma sintering equipment of MoAlB ceramic block |
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CN108844370A true CN108844370A (en) | 2018-11-20 |
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CN201810938965.3A Pending CN108844370A (en) | 2018-08-17 | 2018-08-17 | A kind of plasma sintering equipment of MoAlB ceramic block |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111928277A (en) * | 2020-07-12 | 2020-11-13 | 厦门大学嘉庚学院 | Ceramic design is with environment-friendly firing stove of being convenient for porcelain base to get and put |
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KR20130015396A (en) * | 2011-08-03 | 2013-02-14 | 한국생산기술연구원 | Manufacturing method of wc sintered-body for friction stir welding(fsw) tool |
CN104846229A (en) * | 2015-04-21 | 2015-08-19 | 太原理工大学 | Preparation method of particle-reinforced aluminum alloy-based wear-resistant material |
CN107716925A (en) * | 2017-09-27 | 2018-02-23 | 西北工业大学 | A kind of super-pressure anti-slip mould for discharge plasma sintering |
CN208952670U (en) * | 2018-08-17 | 2019-06-07 | 中铭富驰(苏州)纳米高新材料有限公司 | A kind of plasma sintering equipment of MoAlB ceramic block |
-
2018
- 2018-08-17 CN CN201810938965.3A patent/CN108844370A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20130015396A (en) * | 2011-08-03 | 2013-02-14 | 한국생산기술연구원 | Manufacturing method of wc sintered-body for friction stir welding(fsw) tool |
CN104846229A (en) * | 2015-04-21 | 2015-08-19 | 太原理工大学 | Preparation method of particle-reinforced aluminum alloy-based wear-resistant material |
CN107716925A (en) * | 2017-09-27 | 2018-02-23 | 西北工业大学 | A kind of super-pressure anti-slip mould for discharge plasma sintering |
CN208952670U (en) * | 2018-08-17 | 2019-06-07 | 中铭富驰(苏州)纳米高新材料有限公司 | A kind of plasma sintering equipment of MoAlB ceramic block |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111928277A (en) * | 2020-07-12 | 2020-11-13 | 厦门大学嘉庚学院 | Ceramic design is with environment-friendly firing stove of being convenient for porcelain base to get and put |
CN111928277B (en) * | 2020-07-12 | 2022-07-12 | 厦门大学嘉庚学院 | Ceramic design is with environment-friendly firing stove of being convenient for porcelain base to get and put |
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