KR940014258A - 내고온성 질화규소 세라믹 및 이의 제조방법 - Google Patents

내고온성 질화규소 세라믹 및 이의 제조방법 Download PDF

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KR940014258A
KR940014258A KR1019930028811A KR930028811A KR940014258A KR 940014258 A KR940014258 A KR 940014258A KR 1019930028811 A KR1019930028811 A KR 1019930028811A KR 930028811 A KR930028811 A KR 930028811A KR 940014258 A KR940014258 A KR 940014258A
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molded article
mpa
silicon nitride
less
weight
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KR1019930028811A
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보베르스키 코르넬리아
크뤼너 하르트무트
리델 귄터
함밍어 라이너
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엥엘하르트.루쯔
훽스트 아크티엔게젤샤프트
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Publication of KR940014258A publication Critical patent/KR940014258A/ko

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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
    • 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
    • C04B35/584—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
    • 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
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/74—Physical characteristics
    • C04B2235/77—Density
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Products (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

본 발명은 기계적 강도가 높고 질화규서 87중량% 이상과 Al2O3및 Y2O3의 첨가제 혼합물 13중량%이하를 포함하는 소결된 질화규소 성형품에 관한 것이다. Y2O3/Al2O3중량비는 1.1 내지 3.4의 범위이다. 이는, 추가로 HfO2및/또는 ZrO2를 1.0중량% 이하의 양으로 함유할 수 있다.
당해 성형품은 이론적 최대 밀도의 98%에 상응하는 밀도를 갖고, 기계적 강도가 실온에서 850MPa 이상이고 800℃의 온도에서 800MPa이상이다. 파괴인성(K1c)은 8MPa.

Description

내고온성 질화규소 세라믹 및 이의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

  1. 질화규소 87중량% 이상과 Al2O3의 첨가제 배합물(여기서, Y2O3/Al2O3의 중량비는 1.1 내지 3.4의 범위이다) 13중량% 이하를 포함하고, 추가로 HfO2및/또는 ZrO2를 0 내지 1.0% 함유할 수 있으며, 밀도가 이론적으로 가능한 밀도의 98% 이상이고, 강도가 실온에서 850MPa 이상이며 800℃의 온도에서 800MPa 이상인, 기계적 강도가 우수하고 α 및/또는 β 형태의 결정상내에 Si3N4를 함유하는 소결된 질화규소 세라믹의 성형품.
  2. 제 1 항에 있어서, 파괴 인성(K1c)이 8MPa·이상인 성형품.
  3. 제 1 항 또는 제 2 항에 있어서, 질화 규소 세라믹의 단위면적당 그레인 수가 3×106그레인/mm2이상이고, 그레인의 평균 그레인 폭이 0.4㎛이하이며, 최대 그레인 폭이 2㎛ 이하이고, 종횡비가 8이상인 성형품.
  4. 제 1 항 내지 제 3 항 중의 어느 한 항에 있어서, 0.1㎛보다 얇은 Si3N4그레인 사이에, 무정형 그레인 경계상에 상응하는 그레인 정계상이 미분되어 있는 성형품.
  5. 제 1 항 내지 제 4 항중의 어느 한 항에 있어서, 파괴 인성(K1c)이 9MPa·m이상이고 실온에서의 기계적인 굴곡 파괴 강도가 950MPa 이상인 성형품.
  6. BET 비표면적이 2 내지 15m2/g의 범위이고 O2함량이 1.5중량%미만이며 β형태 함량이 2용적% 미만인 Si3N4와 미분된 Y2O3, Al2O3또는 HfO2및/또는 ZrO2의 혼합물(여기서, 총 첨가제 함량은 혼합물의 총 중량을 기준으로 하여 6 내지 13중량%이다)을 우선 제조한 다음, 당해 혼합물을 액체 분산 매질 중에서 혼합 및 밀링시키고, 이렇게 하여 제조된 현탁액을 건조 및 응집시킨 다음, 수득된 응집물을 가압하거나, 사출 성형시키거나 재분산시키고 주조하여 성형품을 제조하고, 질소하에 1725내지 1850℃의 온도에서 2시간 이하의 기간 동안 소결시킴을 포함하여, 제 1 항 내지 제 5 항중의 어느 한 항에 따른 소결된 질화규소의 성형품을 제조하는 방법.
  7. 제 6 항에 있어서, 총 첨가제 함량이 8 내지 10.5중량%의 범위인 방법.
  8. 차량용 연소 엔진의 밸브로서 및 기계 및 설비구조에서의 제 1 항 내지 제 5 항 중의 어느 한 항에 따르는 성형품의 용도.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930028811A 1992-12-23 1993-12-21 내고온성 질화규소 세라믹 및 이의 제조방법 KR940014258A (ko)

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DEP4243743.1 1992-12-23
DE4243743 1992-12-23

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US (2) US5720919A (ko)
EP (1) EP0603787B1 (ko)
JP (1) JPH06219839A (ko)
KR (1) KR940014258A (ko)
AT (1) ATE164371T1 (ko)
BR (1) BR9305200A (ko)
CZ (1) CZ285130B6 (ko)
DE (1) DE59308305D1 (ko)
DK (1) DK0603787T3 (ko)
ES (1) ES2116395T3 (ko)
MX (1) MX9400078A (ko)
TW (1) TW267997B (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101044202B1 (ko) * 2009-02-26 2011-06-29 순천향대학교 산학협력단 현탁액에 기포발생을 이용한 다공질 Ｓｉ₂Ｎ₂Ｏ－Ｓｉ₃Ｎ₄복합체의 제조방법

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2124093C (en) * 1994-03-31 2001-04-17 Prasad S. Apte Microwave sintering process
JP2723170B2 (ja) * 1994-06-30 1998-03-09 科学技術庁無機材質研究所長 超塑性窒化ケイ素焼結体
JP3624225B2 (ja) * 1994-10-04 2005-03-02 独立行政法人産業技術総合研究所 窒化ケイ素系又はサイアロン系のセラミックス及びその成形法
JPH0925171A (ja) * 1995-07-11 1997-01-28 Ngk Insulators Ltd 成形用造粒粉体及びその製造方法並びに当該粉体を用いて作製された窒化珪素焼結体
JP3559382B2 (ja) * 1996-03-29 2004-09-02 京セラ株式会社 窒化珪素質焼結体の製造方法
DE19748225A1 (de) * 1997-10-31 1999-05-06 Ceramtec Ag Siliciumnitridkeramik mit hoher mechanischer Festigkeit bei Raum- und erhöhter Temperatur
JP4070417B2 (ja) * 2000-03-31 2008-04-02 日本特殊陶業株式会社 窒化珪素質部材及びその製造方法並びに切削工具
US7776085B2 (en) 2001-05-01 2010-08-17 Amedica Corporation Knee prosthesis with ceramic tibial component
US7695521B2 (en) 2001-05-01 2010-04-13 Amedica Corporation Hip prosthesis with monoblock ceramic acetabular cup
DK2055267T3 (da) * 2001-05-01 2013-07-01 Amedica Corp Strålegennemtrængeligt knogletransplantat
AU2002324443A1 (en) 2001-06-14 2003-01-02 Amedica Corporation Metal-ceramic composite articulation
EP1572042A4 (en) * 2002-12-17 2010-12-08 Amedica Corp PROTHESIS DISCALE COMPLETE
US8252058B2 (en) 2006-02-16 2012-08-28 Amedica Corporation Spinal implant with elliptical articulatory interface
US8858865B2 (en) * 2009-01-13 2014-10-14 Hitachi Metals, Ltd. Silicon nitride substrate manufacturing method, silicon nitride substrate, silicon nitride circuit substrate, and semiconductor module
US9663407B2 (en) * 2013-06-13 2017-05-30 Kabushiki Kaisha Toshiba Silicon nitride wear resistant member and method for producing silicon nitride sintered compact
CN108046808B (zh) * 2018-01-05 2020-08-11 广东工业大学 一种Si3N4梯度材料及其制备方法

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5823345B2 (ja) * 1979-02-22 1983-05-14 株式会社東芝 セラミックス焼結体の製造方法
EP0015121A1 (en) * 1979-02-23 1980-09-03 Crosrol Limited Apparatus for cleaning the surface of a rotating roller
JPS5920269B2 (ja) * 1979-10-04 1984-05-11 東光株式会社 チヨッパ型スイッチングレギユレ−タ
JPS57196766A (en) * 1981-05-27 1982-12-02 Tokyo Shibaura Electric Co Engine parts
EP0079678B1 (en) * 1981-10-12 1985-09-04 Sumitomo Electric Industries Limited Method for sintering silicon nitride
US4400427A (en) * 1981-12-21 1983-08-23 Gte Laboratories Incorporated Sintered silicon nitride ceramic articles having surface layers of controlled composition
JPS5918165A (ja) * 1982-07-19 1984-01-30 日本特殊陶業株式会社 窒化珪素焼結体の製造方法
JPS5918155A (ja) * 1982-07-21 1984-01-30 松下電器産業株式会社 磁器組成物
JPS59184770A (ja) * 1983-04-04 1984-10-20 日本碍子株式会社 窒化珪素焼結体およびその製造法
JPS6054976A (ja) * 1983-09-02 1985-03-29 日本碍子株式会社 窒化珪素焼結体
US4628039A (en) * 1984-03-06 1986-12-09 Kyocera Corporation Sintered silicon nitride body
US4552851A (en) * 1984-05-02 1985-11-12 Gte Products Corporation Formation of yttrium aluminate as sintering aid for silicon nitride bodies
US4739801A (en) * 1985-04-09 1988-04-26 Tysubakimoto Chain Co. Flexible supporting sheath for cables and the like
EP0197548B1 (en) * 1985-04-10 1991-07-17 GTE Products Corporation Silicon nitride fixtures
US4640902A (en) * 1985-05-31 1987-02-03 Rockwell International Corporation Low thermal conductivity Si3 N4 /ZrO2 composite ceramics
US4834928A (en) * 1985-08-01 1989-05-30 Gte Laboratories Incorporated Doped silicon nitride article
JPS62153169A (ja) * 1985-12-25 1987-07-08 株式会社東芝 窒化ケイ素セラミツクス焼結体
EP0262654B2 (en) * 1986-09-30 1997-03-26 Sumitomo Electric Industries Limited Silicon nitride sintered material for cutting tools and process for making the same
JP2577899B2 (ja) * 1987-01-28 1997-02-05 本田技研工業株式会社 窒化珪素質焼結体及びその製造法
US5120328A (en) * 1988-01-27 1992-06-09 The Dow Chemical Company Dense, self-reinforced silicon nitride ceramic prepared by pressureless or low pressure gas sintering
US4870036A (en) * 1988-03-08 1989-09-26 Allied-Signal Inc. High strength silicon nitride
DE68910363T3 (de) * 1988-04-07 1998-02-26 Toyoda Chuo Kenkyusho Kk Siliciumnitrid-Sinterkörper.
US5126294A (en) * 1988-08-09 1992-06-30 Nissan Motor Co., Ltd. Sintered silicon nitride and production method thereof
JPH0761903B2 (ja) * 1988-08-25 1995-07-05 本田技研工業株式会社 高温高強度窒化珪素質焼結体及びその製造方法
JP2755702B2 (ja) * 1989-07-27 1998-05-25 株式会社東芝 耐摩耗性部材
US5204296A (en) * 1989-09-26 1993-04-20 Rockwell International Corporation Process for injection molding ceramics
US5114888A (en) * 1989-11-21 1992-05-19 Ngk Spark Plug Co., Ltd. Silicon nitride sintered body and method for producing same
DE4038003C2 (de) * 1990-11-29 1997-01-02 Bayer Ag Verfahren zur Herstellung von Sinterwerkstoffen auf Si¶3¶N¶4¶-Basis
US5173458A (en) * 1990-12-28 1992-12-22 Sumitomo Electric Industries, Ltd. Silicon nitride sintered body and process for producing the same
DE4102628A1 (de) * 1991-01-30 1992-08-06 Bayer Ag Verfahren zur herstellung eines werkstoffes auf si(pfeil abwaerts)3(pfeil abwaerts)n(pfeil abwaerts)4(pfeil abwaerts)-basis, so hergestellte werkstoffe sowie deren verwendung
JPH0570242A (ja) * 1991-06-26 1993-03-23 Sumitomo Electric Ind Ltd 耐衝撃材用窒化ケイ素系焼結体
US5502011A (en) * 1991-10-21 1996-03-26 Sumitomo Electric Industries, Ltd. Silicon nitride sintered body
US5401450A (en) * 1991-12-20 1995-03-28 Nissan Motor Co., Ltd β-silicon nitride sintered body and method of producing same
US5439856A (en) * 1992-09-08 1995-08-08 Kabushiki Kaisha Toshiba High thermal conductive silicon nitride sintered body and method of producing the same
JP3198662B2 (ja) * 1992-09-21 2001-08-13 住友電気工業株式会社 窒化ケイ素系焼結体及びその製造方法
US5424256A (en) * 1993-03-17 1995-06-13 Sumitomo Electric Industries, Ltd. Silicon nitride sintered body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101044202B1 (ko) * 2009-02-26 2011-06-29 순천향대학교 산학협력단 현탁액에 기포발생을 이용한 다공질 Ｓｉ₂Ｎ₂Ｏ－Ｓｉ₃Ｎ₄복합체의 제조방법

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US5556815A (en) 1996-09-17
DK0603787T3 (da) 1998-09-28
EP0603787A3 (de) 1994-11-23
ATE164371T1 (de) 1998-04-15
EP0603787A2 (de) 1994-06-29
EP0603787B1 (de) 1998-03-25
ES2116395T3 (es) 1998-07-16
DE59308305D1 (de) 1998-04-30
CZ285130B6 (cs) 1999-05-12
BR9305200A (pt) 1994-06-28
JPH06219839A (ja) 1994-08-09
TW267997B (ko) 1996-01-11
CZ285493A3 (en) 1994-07-13
MX9400078A (es) 1994-07-29
US5720919A (en) 1998-02-24

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