KR910018105A - 질화규소 소결체 공구 - Google Patents

질화규소 소결체 공구 Download PDF

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KR910018105A
KR910018105A KR1019910006247A KR910006247A KR910018105A KR 910018105 A KR910018105 A KR 910018105A KR 1019910006247 A KR1019910006247 A KR 1019910006247A KR 910006247 A KR910006247 A KR 910006247A KR 910018105 A KR910018105 A KR 910018105A
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silicon nitride
weight
hexagonal pillar
raw material
tool according
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KR1019910006247A
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KR0176974B1 (ko
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모리구찌 히데키
노무라 토시오
코바야시 미추노리
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추네오 나카하라
스미토모 일렉트릭 인더스트리즈, 엘티디.
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    • 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
    • C04B35/584—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 silicon nitride
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    • C04B35/593—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 silicon nitride obtained by pressure sintering
    • C04B35/5935—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 silicon nitride obtained by pressure sintering obtained by gas pressure sintering
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Abstract

내용 없음

Description

질화규소 소결체 공구
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (7)

  1. 결정입자가 간축이 최대 1.0㎛인 50-90용적%의 육방정계 기둥결정(hexagonal pillat crystal) 및 단축이 최소 1.5㎛인 5~30용적%의 육방정계 기둥결정을 포함하는, 질화규소 소결체 공구.
  2. 제1항에 있어서, 소결체가 소결조제로서 1~10중량%의 Al2O3및 1~10중량%의 Y2O3를 또한 함유하는, 질화규소 소결체 공구.
  3. 제1항에 있어서, 소결체가 이미드(imide)분해법에 위하여 제조된 질화규소 분말로부터 얻어지는, 질화규소 소결체 공구.
  4. 제1항에 있어서, 소결체가 이미드 분해법, 직접 금속규소 질화법 또는 실리카 환원법에 의하여 제조된 2가지 이상의 질화규소분말로부터 얻어지는, 질화규소 소결체 공구.
  5. 이미드 분해법, 직접 규소질화법 또는 실리카 환원법에 의하여 제조된 질화규소분말을 원료로서 사용하고, 원료분말을 미분쇄, 프레스 성형한 후, 얻어진 성형품을 1~300기압의 압력 및 1700~1900℃의 질소 분위기중에서 소결 또는 다시 소결후의 생성물을 1600~1900℃ 및 10~300기압의 질소가스 압력하에서 HIP 처리하는 단계를 포함하는, 결정입자가 단축이 최대 1.0㎛인 50~90용적%의 육방정계 기둥결정 및 단축이 최소 1.5㎛인 5~30용적%의 육방정계 기둥결정을 포함하는 질화규소 소결체 공구의 제조방법.
  6. 이미드 분해법, 직접 규소질화법 또는 실리카 환원법에 의하여 제조된 질화규소분말을 원료로서 사용하고, 원료를 소결조제인 1~0중량%의 Al2O3및 1~10중량%의 Y2O3와 혼합, 얻어진 혼합물을 미분쇄, 혼합물을 프레스 성형한 후, 얻어진 성형품을 1~300기압의 압력 및 1700~100%의 질소 분위기 중에서 소결 또는 다시 소결후의 생성물을 1600~1900℃ 및 10~3000기압의 질소 가스 압력하에서 HIP 처리하는 단계를 포함하는, 결정입자가 단축이 최대 1.0㎛인 50~90용적%의 육방정계 기둥결정 및 단축이 최소 1.5㎛인 5~30용적%의 육방정계 기둥결정을 포함하며 또한 1~10중량%의 Al2O3및 1~10중량%의 Y2O3를 포함하는 질화규소 소결체 공구의 제조방법.
  7. 제5항 또는 6항에 있어서, 질화규소 분말이 이미드 분해법, 직접 규소질화법 또는 실리카 환원법 중 2가지 이상의 방법에 의하여 제조되는, 질화규소 소결체 공구의 제조방법.
    ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.
KR1019910006247A 1990-04-19 1991-04-19 질화규소 소결체 공구 KR0176974B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP101557/1990 1990-04-19
JP10155790 1990-04-19
JP10155690 1990-04-19
JP101556/1990 1990-04-19
JP69895/1991 1991-04-02
JP3069895A JPH04223808A (ja) 1990-04-19 1991-04-02 窒化珪素系焼結体工具

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KR910018105A true KR910018105A (ko) 1991-11-30
KR0176974B1 KR0176974B1 (ko) 1999-03-20

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US (1) US5171723A (ko)
EP (1) EP0453265B1 (ko)
JP (1) JPH04223808A (ko)
KR (1) KR0176974B1 (ko)
DE (1) DE69105803T2 (ko)
ES (1) ES2068506T3 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100422729B1 (ko) * 2001-05-07 2004-03-12 현대자동차주식회사 엔진부품용 고인성 질화규소 조성물

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5401450A (en) * 1991-12-20 1995-03-28 Nissan Motor Co., Ltd β-silicon nitride sintered body and method of producing same
JP2670221B2 (ja) * 1993-01-22 1997-10-29 日本碍子株式会社 窒化珪素焼結体及びその製造方法
JP2615437B2 (ja) * 1994-09-20 1997-05-28 工業技術院長 高強度・高靱性窒化ケイ素焼結体及びその製造方法
US5839715A (en) * 1995-05-16 1998-11-24 Alaris Medical Systems, Inc. Medical adapter having needleless valve and sharpened cannula
JP2753577B2 (ja) * 1996-04-30 1998-05-20 工業技術院長 配向した柱状粒子からなる窒化ケイ素多孔体とその製造方法
US6610113B1 (en) * 1999-09-09 2003-08-26 Kennametal Pc Inc. Process for heat treating ceramics and articles of manufacture made thereby
US20080196319A1 (en) * 2007-02-20 2008-08-21 Advanced Ceramic Manufacturing, Llc Ceramic round tools for the machining of composite materials
JP7267869B2 (ja) * 2019-07-31 2023-05-02 京セラ株式会社 パワーモジュール及びその製造方法
CN111362704A (zh) * 2020-03-19 2020-07-03 西安澳秦新材料有限公司 一种高热导率氮化硅陶瓷及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6172684A (ja) * 1984-09-18 1986-04-14 株式会社東芝 高強度・高耐摩耗摺動部材およびその製造方法
JPS62182163A (ja) * 1986-01-31 1987-08-10 株式会社東芝 窒化ケイ素セラミツクス焼結体およびその製造方法
US4961913A (en) * 1988-08-31 1990-10-09 Sullivan Thomas M Production of ultrastructural ceramics

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100422729B1 (ko) * 2001-05-07 2004-03-12 현대자동차주식회사 엔진부품용 고인성 질화규소 조성물

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JPH04223808A (ja) 1992-08-13
ES2068506T3 (es) 1995-04-16
KR0176974B1 (ko) 1999-03-20
DE69105803T2 (de) 1995-04-20
US5171723A (en) 1992-12-15
EP0453265A1 (en) 1991-10-23
EP0453265B1 (en) 1994-12-14
DE69105803D1 (de) 1995-01-26

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