ES2360667T1 - Herramienta de nitruro de boro cúbico sinterizado. - Google Patents

Herramienta de nitruro de boro cúbico sinterizado. Download PDF

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ES2360667T1
ES2360667T1 ES09722979T ES09722979T ES2360667T1 ES 2360667 T1 ES2360667 T1 ES 2360667T1 ES 09722979 T ES09722979 T ES 09722979T ES 09722979 T ES09722979 T ES 09722979T ES 2360667 T1 ES2360667 T1 ES 2360667T1
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boron nitride
cubic boron
sintered material
tool
length
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Katsuhisa Ohtomo
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Tungaloy Corp
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Tungaloy Corp
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    • 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
    • C04B41/87—Ceramics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
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    • 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
    • C04B35/583—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 boron nitride
    • C04B35/5831—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 boron nitride based on cubic boron nitrides or Wurtzitic boron nitrides, including crystal structure transformation of powder
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/002—Tools other than cutting tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/24—Cross section of the cutting edge
    • B23B2200/242—Cross section of the cutting edge bevelled or chamfered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/28—Angles
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    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/12—Boron nitride
    • B23B2226/125—Boron nitride cubic [CBN]
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/38—Non-oxide ceramic constituents or additives
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
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    • C04B2235/786—Micrometer sized grains, i.e. from 1 to 100 micron
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    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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    • Y10T407/23—Cutters, for shaping including tool having plural alternatively usable cutting edges
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T407/23—Cutters, for shaping including tool having plural alternatively usable cutting edges
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Abstract

Una herramienta de material sinterizado de nitruro de boro cúbico que comprende un nitruro de boro cúbico, una fase aglutinante e impurezas inevitables, en donde la herramienta de material sintetizado de nitruro de boro cúbico tiene una superficie en relieve, una superficie inclinada, una superficie rectificada biselada, y una superficie rectificada redondeada formada en una línea de borde donde se cruzan la superficie en relieve y la superficie biselada rectificada, y la forma de la superficie rectificada redondeada tiene un radio de curvatura R en el intervalo de 10 a 50 μm, suponiendo que una longitud de referencia de más de cinco veces un tamaño medio de partícula de nitruro de boro cúbico es S, cuando una longitud total de curvas de perfil de nitruro de boro cúbico incluida en la longitud de referencia S de la superficie rectificada biselada es LCC, una longitud total de curvas de perfil de la fase aglutinante incluida en la longitud de referencia S de la superficie rectificada biselada es LCB, y una relación de LCC a LCB es PC (PC=LCC/LCB), y cuando una longitud total de curvas de perfil de nitruro de boro cúbico incluida en la longitud de referencia S de la superficie rectificada redondeada es LRC, una longitud total de curvas de perfil de la fase aglutinante incluida en la longitud de referencia S de la superficie rectificada redondeada es LRB, y una relación de LRC a LRB es PR (PR=LRC/LRB), entonces, una relación de PR a PC (PR/PC) cumple la relación 1,2 <=q PR/PC <=q 8,0.

Claims (9)

1. Una herramienta de material sinterizado de nitruro de boro cúbico que comprende un nitruro de boro cúbico, una fase aglutinante e impurezas inevitables,
en donde la herramienta de material sintetizado de nitruro de boro cúbico tiene una superficie en relieve, una superficie inclinada, una superficie rectificada biselada, y una superficie rectificada redondeada formada en una línea de borde donde se cruzan la superficie en relieve y la superficie biselada rectificada, y la forma de la superficie rectificada redondeada tiene un radio de curvatura R en el intervalo de 10 a 50 \mum,
suponiendo que una longitud de referencia de más de cinco veces un tamaño medio de partícula de nitruro de boro cúbico es S, cuando una longitud total de curvas de perfil de nitruro de boro cúbico incluida en la longitud de referencia S de la superficie rectificada biselada es LCC, una longitud total de curvas de perfil de la fase aglutinante incluida en la longitud de referencia S de la superficie rectificada biselada es LCB, y una relación de LCC a LCB es PC (PC=LCC/LCB), y cuando una longitud total de curvas de perfil de nitruro de boro cúbico incluida en la longitud de referencia S de la superficie rectificada redondeada es LRC, una longitud total de curvas de perfil de la fase aglutinante incluida en la longitud de referencia S de la superficie rectificada redondeada es LRB, y una relación de LRC a LRB es PR (PR=LRC/LRB), entonces,
una relación de PR a PC (PR/PC) cumple la relación 1,2 \leq PR/PC \leq 8,0.
2. La herramienta de material sinterizado de nitruro de boro cúbico según la reivindicación 1, en donde el cuerpo sinterizado comprende 40 a 90% en volumen de nitruro de boro cúbico y una fase aglutinante, siendo el resto impurezas inevitables.
3. La herramienta de material sinterizado de nitruro de boro cúbico según la reivindicación 1 o 2, en donde el nitruro de boro cúbico tiene un tamaño medio de sus partículas de 0,30 a 6,0 \mum.
4. La herramienta de material sinterizado de nitruro de boro cúbico según una cualquiera de las reivindicaciones 1 a 3, en donde la fase aglutinante comprende al menos una clase seleccionada del grupo que consiste en elementos de los Grupos 4a, 5a y 6a de la Tabla Periódica, un metal de Al, Si, Mg, Co, Ni, y al menos una clase seleccionada del grupo que consiste en un nitruro, carburo, boruro, óxido y soluciones sólidas mutuas de los mismos.
5. Una herramienta de material sinterizado de nitruro de boro cúbico recubierto que comprende la herramienta de material sinterizado de nitruro de boro cúbico según una cualquiera de las reivindicaciones 1 a 4, sobre cuya superficie se provee una cubierta pelicular.
6. La herramienta de material sinterizado de nitruro de boro cúbico recubierto según la reivindicación 5, en donde la cubierta pelicular está formada por al menos una clase seleccionada de un nitruro, carburo u óxido de elementos de los Grupos 4a, 5a y 6a de la Tabla Periódica, Al, Si, B, Y y Mn, y soluciones sólidas mutuas de los mismos.
7. La herramienta de material sinterizado de nitruro de boro cúbico recubierto según la reivindicación 5 o 6, en donde la cubierta pelicular es un cristal cúbico.
8. La herramienta de material sinterizado de nitruro de boro cúbico recubierto según una cualquiera de las reivindicaciones 5 a 7, en donde la cubierta pelicular está formada por al menos una clase seleccionada de un nitruro, carburo u óxido, cada uno de los cuales contiene Ti y Al, y soluciones sólidas mutuas de los mismos.
9. La herramienta de material sinterizado de nitruro de boro cúbico recubierto según una cualquiera de las reivindicaciones 5 a 8, en donde una composición de la cubierta pelicular es (Ti_{(1-a-b)}Al_{a}M_{b}) (X),
en donde M representa al menos una clase de elementos seleccionados de Y, Cr, Si, Zr, Nb, Mn, W, Hf, V y B, X representa al menos una clase de elementos seleccionados de C, N y O, a representa una razón atómica de Al con respecto a la suma de Ti, Al y M, b representa una razón atómica de M con respecto a la suma de Ti, Al y M, y 0,1 \leq a \leq 0,7 y 0,002 \leq b \leq 0,1.
ES09722979T 2008-03-19 2009-03-19 Herramienta de nitruro de boro cúbico sinterizado. Pending ES2360667T1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008070615A JP5125646B2 (ja) 2008-03-19 2008-03-19 立方晶窒化硼素焼結体工具
JP2008-70615 2008-03-19

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ES2360667T1 true ES2360667T1 (es) 2011-06-08

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EP2266730A1 (en) 2010-12-29
US8481145B2 (en) 2013-07-09
DE09722979T1 (de) 2011-06-16
EP2266730A4 (en) 2011-09-21
JP5125646B2 (ja) 2013-01-23
US20110014426A1 (en) 2011-01-20
WO2009116610A1 (ja) 2009-09-24
EP2266730B1 (en) 2013-07-03
JP2009220259A (ja) 2009-10-01
CN101970156A (zh) 2011-02-09

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