KR20090053780A - 지르코늄 산화물 및 그 제조 방법 - Google Patents
지르코늄 산화물 및 그 제조 방법 Download PDFInfo
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Abstract
Description
Claims (37)
- ASTM B 417에 따라 측정된 1.2 내지 2.5 g/㎤ 의 충전 밀도를 갖는, 스칸듐, 이트륨, 희토류 및 이들의 혼합물로 이루어진 군으로부터의 적어도 하나의 금속 산화물을 10 mol% 이하로 함유하는 분말 지르코늄 산화물.
- 제1항에 있어서, 1.3 내지 1.9 g/㎤ 의 충전 밀도를 갖는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 또는 제2항에 있어서, 3 내지 10 mol%의 Y2O3를 함유하는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 3 내지 6 mol%의 Y2O3를 함유하는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 3 내지 4 mol%의 Y2O3를 함유하는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 3 내지 10 mol%의 Yb2O3를 함유 하는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 3 내지 7 mol%의 Yb2O3를 함유하는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 내지 제7항 중 어느 한 항에 있어서, ASTM D 3663에 따라 측정된, 5 내지 18 ㎡/g의 BET 비표면적을 갖는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 내지 제7항 중 어느 한 항에 있어서, ASTM D 3663에 따라 측정된, 10 내지 16 ㎡/g의 BET 비표면적을 갖는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 5 내지 80 부피%의 단사정계 상의 비율을 갖는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 내지 제10항 중 어느 한 항에 있어서, 20 내지 80 부피%의 단사정계 상의 비율을 갖는 것을 특징으로 하는 분말 지르코늄 산화물.
- 제1항 내지 제11항 중 어느 한 항에 있어서, 45 내지 70 부피%의 단사정계 상의 비율을 갖는 것을 특징으로 하는 분말 지르코늄 산화물.
- 스칸듐, 이트륨, 희토류 및 이들의 혼합물로 이루어진 군으로부터의 금속 산화물로 도핑된 지르코늄 산화물을 제조하는 방법으로서,a) 화학량론적 비율로 지르코늄 산화물과 각 금속 산화물의 수성 현탁액을 제공하는 단계로서, 분산제에 의한 현탁액의 안정을 포함하는 것인 단계;b) 사용된 고체의 0.1 kWh/kg을 초과하는 순 밀링 비에너지를 도입하여 밀링 보조물을 이용하여 분쇄함으로써 현탁액을 균질화하는 단계;c) 균질의 산화 혼합물을 제공하기 위해서 80℃ 초과의 온도에서 현탁액을 건조하는 단계;d) 적어도 1200℃의 온도에서 산화 혼합물을 소결하는 단계;e) 현탁액을 제조하고, 소결된 제품의 0.1 kWh/kg을 초과하는 비에너지를 도입하여 단계 d)에서 형성된 소결된 제품을 분쇄하는 단계;f) 상기 현탁액을 건조하는 단계를 포함하는 것인 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 이용된 지르코늄 산화물 원료의 미세결정의 에지 길이(a, b, c)는 a = 20-75 nm, b = 20-90 nm 및 c = 20-75 nm의 값을 갖는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 이용된 지르코늄 산화물 원료의 미세결정의 에지 길이(a, b, c)는 a = 30-50 nm, b = 45-60 nm 및 c = 35-45 nm의 값을 갖는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 이용된 지르코늄 산화물 원료는 ASTM D 3663에 따라 측정된 3 내지 30 ㎡/g의 BET 비표면적을 갖는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 이용된 지르코늄 산화물 원료는 ASTM D 3663에 따라 측정된, 6 내지 11 ㎡/g의 BET 비표면적을 갖는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 원료의 균질화는 고체의 0.2 내지 1.5 kWh/kg의 순 밀링 비에너지 입력에서 습식 밀링에 의해 실시되는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 원료의 균질화는 고체의 0.3 내지 1.0 kWh/kg의 순 밀링 비에너지 입력에서 습식 밀링에 의해 실시되는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 원료의 균질화는 고체의 0.6 내지 0.8 kWh/kg의 순 밀링 비에너지 입력에서 습식 밀링에 의해 실시되는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 상기 현탁액은 분무 건조되는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 소결은 1200 내지 1350℃의 온도에서 실시되는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 소결은 1250 내지 1300℃의 온도에서 실시되는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 소결된 산화 혼합물의 습식 밀링은 산화 혼합물의 0.5 내지 2.5 kWh/kg의 순 밀링 비에너지 입력에서 실시되는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제13항에 있어서, 소결된 산화 혼합물의 습식 밀링은 산화 혼합물의 0.7 내지 1.9 kWh/kg의 순 밀링 비에너지 입력에서 실시되는 것을 특징으로 하는 지르코늄 산화물의 제조 방법.
- 제1항 내지 제12항 중 어느 한 항에 따른 분말 지르코늄 산화물을 포함하는 가압성형체.
- 제26항에 있어서, 이론상 소결 밀도의 54 내지 65%의 그린 밀도를 갖는 것인 가압성형체.
- 제26항에 있어서, 이론상 소결 밀도의 56 내지 62%의 그린 밀도를 갖는 것인 가압성형체.
- 제26항에 있어서, 이론상 소결 밀도의 56 내지 58%의 그린 밀도를 갖는 것인 가압성형체.
- 제1항 내지 제12항 중 어느 한 항에 따른 분말 지르코늄 산화물을 포함하는 전해질 지지 세라믹 연료 전지용 기판.
- 제30항에 있어서, 850℃에서 측정된, 적어도 2.5 S/m의 전기 비전도도(SEC)를 갖는 것인 전해질 지지 세라믹 연료 전지용 기판.
- 제30항에 있어서, 850℃에서 측정된, 적어도 3.8 S/m의 전기 비전도도(SEC)를 갖는 것인 전해질 지지 세라믹 연료 전지용 기판.
- 제30항에 있어서, 850℃에서 측정된, 적어도 6.6 S/m의 전기 비전도도(SEC)를 갖는 것인 전해질 지지 세라믹 연료 전지용 기판.
- 연료 전지에서 전해질 기판 및/또는 기능성 층을 제조하기 위한 제1항 내지 제12항 중 어느 한 항에 따른 지르코늄 산화물의 이용.
- 제30항 따른 기판을 포함하는 연료 전지.
- 제1항 내지 제35항 중 어느 한 항에 따른 지르코늄 산화물을 함유하는 적어도 하나의 기능성 층을 구비하는 연료 전지.
- 제35항 또는 제36항에 있어서, 애노드 지지 전지 또는 전해질 지지 전지인 것인 연료 전지.
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| DE102006044824 | 2006-09-20 | ||
| PCT/EP2007/057607 WO2008019926A1 (de) | 2006-08-17 | 2007-07-24 | Zirkoniumoxid und verfahren zu dessen herstellung |
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| EP (1) | EP2054345A1 (ko) |
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| CN (2) | CN101500943B (ko) |
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| JP2003206137A (ja) * | 2002-01-11 | 2003-07-22 | Dowa Mining Co Ltd | 部分安定化または安定化ジルコニア微粉体とその前駆体およびそれらの製造方法 |
| JP4260615B2 (ja) | 2003-12-16 | 2009-04-30 | 川崎重工業株式会社 | 疲労センサ |
| CN100334037C (zh) * | 2004-09-03 | 2007-08-29 | 湖北葛店开发区地大纳米材料制造有限公司 | 纳米结构的钇稳定氧化锆团聚型粉末及其生产方法 |
| JP5031187B2 (ja) * | 2004-11-19 | 2012-09-19 | 東邦瓦斯株式会社 | 固体酸化物形燃料電池用燃料極および固体酸化物形燃料電池 |
| JP2006143551A (ja) * | 2004-11-24 | 2006-06-08 | Toray Ind Inc | ジルコニア粉末 |
| US7799716B2 (en) * | 2006-03-03 | 2010-09-21 | Sulzer Metco (Us), Inc. | Partially-alloyed zirconia powder |
| KR101323697B1 (ko) * | 2006-08-17 | 2013-11-08 | 하.체. 스타르크 게엠베하 | 지르코늄 산화물 및 그 제조 방법 |
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2007
- 2007-07-24 KR KR1020097001654A patent/KR101323697B1/ko not_active Expired - Fee Related
- 2007-07-24 UA UAA200902397A patent/UA98118C2/uk unknown
- 2007-07-24 JP JP2009524154A patent/JP5745765B2/ja not_active Expired - Fee Related
- 2007-07-24 CN CN2007800302207A patent/CN101500943B/zh not_active Expired - Fee Related
- 2007-07-24 WO PCT/EP2007/057607 patent/WO2008019926A1/de not_active Ceased
- 2007-07-24 EP EP07787848A patent/EP2054345A1/de not_active Withdrawn
- 2007-07-24 CN CN201210168078.5A patent/CN102745989B/zh not_active Expired - Fee Related
- 2007-07-24 US US12/377,780 patent/US8383266B2/en not_active Expired - Fee Related
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150082923A (ko) | 2014-01-08 | 2015-07-16 | 대우조선해양 주식회사 | 음향 카메라와 승선자 위치정보 시스템을 이용한 작업환경의 소음 모니터링시스템 및 그 방법 및 이를 포함하는 선박 또는 해양구조물 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101500943B (zh) | 2012-07-18 |
| WO2008019926A1 (de) | 2008-02-21 |
| EP2054345A1 (de) | 2009-05-06 |
| CN102745989A (zh) | 2012-10-24 |
| JP2010500957A (ja) | 2010-01-14 |
| US20100233579A1 (en) | 2010-09-16 |
| UA98118C2 (uk) | 2012-04-25 |
| RU2442752C2 (ru) | 2012-02-20 |
| CN102745989B (zh) | 2015-07-15 |
| RU2009109346A (ru) | 2010-09-27 |
| CN101500943A (zh) | 2009-08-05 |
| US8383266B2 (en) | 2013-02-26 |
| JP5745765B2 (ja) | 2015-07-08 |
| KR101323697B1 (ko) | 2013-11-08 |
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