KR20010020524A - 산화될 수 있는 층을 갖는 세라믹 - Google Patents
산화될 수 있는 층을 갖는 세라믹 Download PDFInfo
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- KR20010020524A KR20010020524A KR1019997012322A KR19997012322A KR20010020524A KR 20010020524 A KR20010020524 A KR 20010020524A KR 1019997012322 A KR1019997012322 A KR 1019997012322A KR 19997012322 A KR19997012322 A KR 19997012322A KR 20010020524 A KR20010020524 A KR 20010020524A
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- 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
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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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
- C04B35/56—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 carbides or oxycarbides
- C04B35/565—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 carbides or oxycarbides based on silicon carbide
- C04B35/573—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 carbides or oxycarbides based on silicon carbide obtained by reaction sintering or recrystallisation
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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
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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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
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Abstract
Description
4,500 시간 동안 상이한 온도에서 산화된 실리콘의 두께 | |||
온도(℃) | O2확산도(㎛2/시간) | 형성된 SiO2의 두께(㎛) | 산화된 Si의 두께(㎛) |
1100 | 0.027 | 11.0 | 4.8(0.1 밀) |
1200 | 0.045 | 14.2 | 6.3(0.2 밀) |
1300 | 0.075 | 18.4 | 8.1(0.3 밀) |
1400 | 0.136 | 24.7 | 10.9(0.4 밀) |
Claims (41)
- 산화제와 반응하여 하나 이상의 기체상 생성물로 산화될 수 있는 실리콘-함유 기판; 및상기 기판상으로 피복되고, 상기 산화제와 반응하여 산화되어 비기체상 생성물을 형성할 수 있는 중간 층/피막을 포함하는 제품.
- 제 1 항에 있어서,환경 산화제와 반응하여 하나 이상의 기체상 생성물로 산화될 수 있는 실리콘-함유 기판;상기 산화제의 확산에 대해 투과성인 외부 환경/열 차단 피막; 및상기 산화제와 반응하여 산화되어 비기체상 생성물을 형성할 수 있는, 상기 기판과 상기 환경/열 차단 피막 사이의 중간 층/피막을 포함하는 제품.
- 제 1 항에 있어서,기판이 실리콘 카바이드 또는 실리콘 니트라이드의 모놀리틱(monolithic) 또는 복합체인 제품.
- 제 2 항에 있어서,외부 환경/열 차단 피막이 이트리아-안정화 지르코니아, 스칸디아-안정화 지르코니아, 칼시아-안정화 지르코니아, 마그네시아-안정화 지르코니아, 알루미나, 알루미나 실리케이트 또는 이들의 혼합물을 포함하는 제품.
- 제 1 항에 있어서,중간 층/피막이 실리콘 또는 실리콘-함유 합금인 제품.
- 제 5 항에 있어서,실리콘 함유 합금이 실리콘 알루미늄(Si-Al), 실리콘 크롬(Si-Cr), 실리콘 마그네슘(Si-Mg), 실리콘 칼슘(Si-Ca), 실리콘 몰리브덴(Si-Mo) 및 실리콘 티탄(Si-Ti)으로 이루어진 군으로부터 선택된 제품.
- 제 1 항에 있어서,중간 층/피막이 열 또는 기계적 성질을 향상시키기 위해 실리콘 및 추가의 상을 포함하는 제품.
- 제 7 항에 있어서,추가의 상이 실리콘 카바이드 또는 실리콘 니트라이드를 포함하는 제품.
- 제 1 항에 있어서,기판이 실리콘 카바이드(SiC), 실리콘 니트라이드(Si3N4), 실리콘 카바이드(SiC) 섬유-보강된 실리콘 카바이드(SiC) 매트릭스 복합체, 탄소 섬유-보강된 실리콘 카바이드(SiC) 매트릭스 복합체 또는 실리콘 카바이드(SiC) 섬유-보강된 실리콘 니트라이드(Si3N4) 복합체를 포함하는 제품.
- 제 1 항에 있어서,기판이 실리콘 용융 침윤에 의해 가공된 실리콘 카바이드(SiC) 섬유-보강된 실리콘-실리콘 카바이드(Si-SiC) 매트릭스 복합체를 포함하는 제품.
- 제 2 항에 있어서,외부 환경/열 차단 피막의 열 팽창 계수보다 낮은 열 팽창 계수를 갖는 실리콘-함유 기판을 포함하고, 중간 층/피막이 기판과 외부 환경/열 차단 피막 사이의 열 응력을 감소시키는 제품.
- 제 11 항에 있어서,중간 층/피막이 실리콘을 포함하는 제품.
- 제 2 항에 있어서,기판이 실리콘 카바이드(SiC)를 포함하고, 중간 층/피막이, 중간 층/피막―외부 환경/열 차단 피막 계면에서보다 중간 층/피막―기판 계면에서 높은 실리콘 카바이드(SiC) 농도를 갖고 환경/열 차단 피막과 중간 층/피막 사이의 계면에서 실리콘 농도를 증가시키는 구배 층/피막을 포함하는 제품.
- 제 2 항에 있어서,기판이 실리콘 용융 침윤에 의해 형성된 실리콘계 비산화물 세라믹 매트릭스 조성물이고 중간 층/피막이 실리콘인 제품.
- 제 2 항에 있어서,실리콘 카바이드(SiC) 섬유-보강되고 용융-침윤된 실리콘-실리콘 카바이드(Si-SiC) 매트릭스 기판, 및 멀라이트(mullite)-결합된 이트리아 안정화 지르코니아 외부 환경/열 차단 피막 및 실리콘 중간 층/피막을 포함하는 제품.
- 제 1 항에 있어서,엔진 부품으로 성형된 제품.
- 환경 산화제와 반응하여 하나 이상의 기체상 생성물로 산화될 수 있는, 부품으로 성형되는 실리콘-함유 기판;상기 산화제의 확산에 대해 투과성인 외부 환경/열 차단 피막; 및상기 기판과 상기 산화제가 반응하기 전에 우선적으로 상기 산화제와 반응하여 산화되어 비기체상 생성물을 형성하는, 상기 기판과 상기 환경/열 차단 피막 사이의 연속 중간 층/피막을 포함하는 제품.
- 산화제와 반응하여 하나 이상의 기체상 생성물로 산화될 수 있는 실리콘-함유 기판을 형성하는 단계; 및중간 층/피막을 상기 기판상에 피복하는 단계(이때, 이러한 중간 층/피막은 상기 산화제와 반응하여 산화되어 비기체상 생성물을 형성할 수 있다)를 포함하는,제품의 제조방법.
- 제 18 항에 있어서,화학적 증착, 용융 침윤, 열 분사 또는 용액계 기술에 의해 중간 층/피막을 피복하는 단계를 포함하는 방법.
- 제 18 항에 있어서,외부 환경/열 차단 피막을 상기 중간 층/피막상에 피복하는 단계를 추가로 포함하고, 상기 외부 환경/열 차단 피막이 상기 산화제의 확산에 대해 투과성인 방법.
- 제 20 항에 있어서,실리콘 중간 층/피막을 기판상에 피복하여 기판과 외부 환경/열 차단 피막 사이의 열 응력을 감소시키는 단계를 포함하는, 기판이 실리콘 카바이드(SiC) 기판인 방법.
- 제 20 항에 있어서,중간 층/피막―외부 환경/열 차단 피막 계면에서보다 중간 층/피막―기판 계면에서 높은 실리콘 카바이드(SiC) 농도를 갖고 환경/열 차단 피막과 중간 층/피막 사이의 계면에서 실리콘 농도를 증가시키는 구배 피막으로서 실리콘 중간 층/피막을 피복하는 단계를 포함하는 방법.
- 제 20 항에 있어서,기판이 외부 환경/열 차단 피막의 열 팽창 계수보다 낮은 열 팽창 계수를 갖고, 중간 층/피막을 상기 기판상에 피복하여 기판과 외부 환경/열 차단 피막 사이의 열 응력을 감소시키는 단계를 포함하는 방법.
- 제 23 항에 있어서,중간 층/피막이 실리콘을 포함하는 방법.
- 외부 환경/열 차단 피막을 피복하기 위한 실리콘계 비산화물 기판을 제공하는 단계; 및중간 층/피막을 상기 기판상에 피복하는 단계를 포함하고, 이때상기 외부 환경/열 차단 피막이 환경 산화제의 확산에 대해 투과성이고, 기판이 상기 산화제와 반응하여 산화되어 하나 이상의 기체상 생성물을 형성할 수 있고,상기 중간 층이 상기 기판과 상기 산화제가 반응하기 전에 우선적으로 상기 산화제와 반응하여 비기체상 생성물로 산화되는,제품의 결합 강도를 향상시키는 방법.
- 외부 이트리아-안정화 지르코니아 피막을 포함하는, 실리콘 카바이드-함유 섬유를 함유하는 실리콘-실리콘 카바이드 기판을 제공하는 단계; 및실리콘 중간 층/피막을 상기 기판상에 피복하는 단계를 포함하고, 이때상기 중간 층이 상기 기판과 상기 산화제가 반응하기 전에 우선적으로 상기 산화제와 반응하여 비기체상 생성물로 산화될 수 있는,제품의 제조방법.
- 제 26 항에 있어서,외부 환경/열 차단 피막이 결합 피막을 추가로 포함하는 방법.
- 제 27 항에 있어서,결합 피막이 멀라이트, 개질된 멀라이트 또는 MCrAlY(이때, M은 니켈, 철, 코발트, 또는 이들의 혼합물이다)인 방법.
- 제 28 항에 있어서,멀라이트 피막이 개질화제 성분을 포함하는 방법.
- 제 29 항에 있어서,개질화제 성분이 일반식 MO·Al2O3·2SiO2(이때, M은 알칼리 토 원소이다)의 알칼리 토 알루미노실리케이트, 이트륨 실리케이트(YS), 칼슘 알루미네이트, 알루미늄 티타네이트, 코디에라이트, 용융 실리카, 실리콘, NaZr2P3O12, Ba1.25Zr4P5.5Si0.5O24, Ca0.5Sr0.5Zr4(PO4)6, Ca0.6Mg0.4Sr4(PO4)6, 및 이들의 혼합물로 이루어진 군으로부터 선택된 방법.
- 제 30 항에 있어서,일반식 MO·Al2O3·2SiO2이 바륨 장석(BaO·Al2O3·2SiO2), 스트론튬 장석(SrO·Al2O3·2SiO2), 또는 바륨 장석(BaO·Al2O3·2SiO2)과 스트론튬 장석(SrO·Al2O3·2SiO2)의 배합물을 포함하는 방법.
- 제 30 항에 있어서,알루미노실리케이트가 (BaO)0.75(SrO)0.25·Al2O3·2SiO2(BSAS), CaO·Al2O3·2SiO2(CAS) 또는 이들의 배합물을 포함하는 방법.
- 제 4 항에 있어서,외부 환경/열 차단 피막이 결합 피막을 추가로 포함하는 제품.
- 제 33 항에 있어서,결합 피막이 멀라이트, 개질된 멀라이트 또는 MCrAlY(이때, M은 니켈, 철, 코발트, 또는 이들의 혼합물이다)을 포함하는 제품.
- 제 34 항에 있어서,멀라이트 피막이 개질화제 성분을 포함하는 제품.
- 제 35 항에 있어서,개질화제 성분이 일반식 MO·Al2O3·2SiO2의 알칼리 토 알루미노실리케이트(이때, M은 알칼리 토 원소이다), 이트륨 실리케이트(YS), 칼슘 알루미네이트, 알루미늄 티타네이트, 코디에라이트, 용융 실리카, 실리콘, NaZr2P3O12, Ba1.25Zr4P5.5Si0.5O24, Ca0.5Sr0.5Zr4(PO4)6, Ca0.6Mg0.4Sr4(PO4)6, 및 이들의 혼합물로 이루어진 군으로부터 선택된 제품.
- 제 36 항에 있어서,일반식 MO·Al2O3·2SiO2이 바륨 장석(BaO·Al2O3·2SiO2), 스트론튬 장석(SrO·Al2O3·2SiO2), 또는 바륨 장석(BaO·Al2O3·2SiO2)과 스트론튬 장석(SrO·Al2O3·2SiO2)의 배합물을 포함하는 제품.
- 제 37 항에 있어서,알루미노실리케이트가 (BaO)0.75(SrO)0.25·Al2O3·2SiO2(BSAS), CaO·Al2O3·2SiO2(CAS) 또는 이들의 배합물을 포함하는 제품.
- 실리콘 카바이드(SiC) 섬유-보강되고 용융 침윤된 실리콘-실리콘 카바이드(Si-SiC) 매트릭스 기판, 멀라이트 결합 피막, 이트리아 안정화 지르코니아 외부 환경/열 차단 피막 및 실리콘 중간 층/피막을 포함하는 제품.
- 제 39 항에 있어서,멀라이트 피막이 개질화제 성분을 포함하는 제품.
- 제 40 항에 있어서,개질화제 성분이 (BaO)0.75(SrO)0.25·Al2O3·2SiO2(BSAS), CaO·Al2O3·2SiO2(CAS) 또는 이들의 배합물을 포함하는 제품.
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US8320798P | 1998-04-27 | 1998-04-27 | |
US60/083,207 | 1998-04-27 | ||
US09/299,418 | 1999-04-26 | ||
US09/299,418 US6299988B1 (en) | 1998-04-27 | 1999-04-26 | Ceramic with preferential oxygen reactive layer |
PCT/US1999/009035 WO1999058472A2 (en) | 1998-04-27 | 1999-04-27 | Ceramic with oxidisable layer |
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KR100597162B1 KR100597162B1 (ko) | 2006-07-05 |
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US (2) | US6299988B1 (ko) |
EP (1) | EP0993424B1 (ko) |
JP (1) | JP4877880B2 (ko) |
KR (1) | KR100597162B1 (ko) |
CZ (1) | CZ301877B6 (ko) |
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Also Published As
Publication number | Publication date |
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JP4877880B2 (ja) | 2012-02-15 |
CZ301877B6 (cs) | 2010-07-14 |
JP2002511834A (ja) | 2002-04-16 |
WO1999058472A8 (en) | 2000-02-10 |
DE69907107T2 (de) | 2004-02-05 |
EP0993424A1 (en) | 2000-04-19 |
CZ9904430A3 (cs) | 2000-12-13 |
US6630200B2 (en) | 2003-10-07 |
US6299988B1 (en) | 2001-10-09 |
WO1999058472A3 (en) | 2000-03-16 |
WO1999058472A2 (en) | 1999-11-18 |
US20020025454A1 (en) | 2002-02-28 |
KR100597162B1 (ko) | 2006-07-05 |
DE69907107D1 (de) | 2003-05-28 |
EP0993424B1 (en) | 2003-04-23 |
TW555725B (en) | 2003-10-01 |
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