KR101094596B1 - 지르코니아 소결체 및 그의 제조 방법 - Google Patents
지르코니아 소결체 및 그의 제조 방법 Download PDFInfo
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- KR101094596B1 KR101094596B1 KR1020040012610A KR20040012610A KR101094596B1 KR 101094596 B1 KR101094596 B1 KR 101094596B1 KR 1020040012610 A KR1020040012610 A KR 1020040012610A KR 20040012610 A KR20040012610 A KR 20040012610A KR 101094596 B1 KR101094596 B1 KR 101094596B1
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Abstract
Description
BET 비표면적 (m2/g) |
D50 (㎛) | D100 (㎛) | 단사정계 결정의 비율 (부피%) |
|
실시예 1 | 15.4 | 0.42 | 2 | 95 |
실시예 2 | 17.4 | 0.43 | 2 | 94 |
실시예 3 | 19.8 | 0.41 | 2 | 93 |
비교예 1 | 15.6 | 0.75 | 10 | 25 |
비교예 2 | 13.9 | 0.54 | 7 | 19 |
FWHM (°) | 밀도 (g/cm3) | 평균 입도 (㎛) |
정방정계 결정의 비율 (부피%) |
인성 (MPaㆍm1/2) |
굽힘 강도 (kg/mm2) |
|
실시예 1 | 0.42 | 6.05 | 0.18 | 99 | 8.5 | 159 |
실시예 2 | 0.44 | 6.03 | 0.17 | 97 | 8.9 | 165 |
실시예 3 | 0.47 | 6.02 | 0.17 | 98 | 8.0 | 172 |
비교예 1 | 0.33 | 6.05 | 0.25 | 99 | 5.7 | 130 |
비교예 2 | 0.29 | 6.04 | 0.23 | 95 | 5.5 | 122 |
Claims (13)
- 정방정계 지르코니아를 포함하며, 하기 조건 하에서 측정한 X-선 회절 패턴에 의해 수득된 정방정계 지르코니아의 (111)면에서의 전체 반값 폭 (full width at half maximum)이 0.38 내지 4 도인 지르코니아 소결체.조건:방사선원: CuKα 빔,전압ㆍ진폭: 40 kV ×30 mA,단색화 장치 (monochromator): 흑연,발산 슬릿 (divergence slit): 1.0 도,산란 슬릿: 1.0 도,검출기 슬릿: 0.3 도,단계 크기: 0.2 도,시간/단계: 연속,배경 교정: 교정함,스캔 속도: 0.4 도/분.
- 제1항에 있어서, 정방정계 지르코니아의 (111)면에서의 전체 반값 폭이 0.4 내지 2 도인 지르코니아 소결체.
- 제1항 또는 제2항에 있어서, 정방정계 지르코니아의 (111)면에서의 전체 반값 폭이 1 도 이하인 지르코니아 소결체.
- 제1항에 있어서, 지르코니아 소결체 중 정방정계 지르코니아의 비율이 90 부피% 이상인 지르코니아 소결체.
- 제1항에 있어서, 지르코니아 소결체의 평균 입도가 0.01 내지 0.3 ㎛인 지르코니아 소결체.
- 제1항에 있어서, 지르코니아 소결체의 밀도가 6 g/cm3 이상인 지르코니아 소결체.
- 제6항에 있어서, 지르코니아 소결체의 밀도가 6 내지 6.1 g/cm3인 지르코니아 소결체.
- 제1항에 있어서, 지르코니아 소결체가 안정화제를 함유하는 지르코니아 소결체.
- 제8항에 있어서, 안정화제가 Y2O3인 지르코니아 소결체.
- 제1항에 있어서, 지르코니아 소결체가 Al2O3을 함유하는 지르코니아 소결체.
- 평균 입경이 0.1 내지 0.6 ㎛이고, 최대 입경이 5 ㎛ 이하이며, 실질적으로 다면체 형상인 지르코니아 분말을 성형하여 성형체를 얻는 단계, 및 그 후상기 성형체를 1200 내지 1400℃의 온도 하에서 소결시키는 단계를 포함하는, 지르코니아 소결체의 제조 방법.
- 제11항에 있어서, 지르코니아 분말이 단사정계 결정을 함유하는 것인 방법.
- 제12항에 있어서, 지르코니아 분말 중 단사정계 결정의 비율이 70 부피% 이상인 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003053083A JP4470378B2 (ja) | 2003-02-28 | 2003-02-28 | ジルコニア焼結体およびその製造方法 |
JPJP-P-2003-00053083 | 2003-02-28 |
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KR20040077493A KR20040077493A (ko) | 2004-09-04 |
KR101094596B1 true KR101094596B1 (ko) | 2011-12-15 |
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KR1020040012610A Expired - Fee Related KR101094596B1 (ko) | 2003-02-28 | 2004-02-25 | 지르코니아 소결체 및 그의 제조 방법 |
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Country | Link |
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US (1) | US7291574B2 (ko) |
EP (1) | EP1452506A3 (ko) |
JP (1) | JP4470378B2 (ko) |
KR (1) | KR101094596B1 (ko) |
CN (1) | CN100436372C (ko) |
TW (1) | TW200416207A (ko) |
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GB0512666D0 (en) * | 2005-06-22 | 2005-07-27 | Univ Loughborough | Method for concentrating nanosuspensions |
US20100041542A1 (en) | 2006-12-29 | 2010-02-18 | Rolf Jacqueline C | Zirconia body and methods |
EP2334616A4 (en) * | 2008-07-30 | 2011-09-07 | Saint Gobain Ceramics | PARTIALLY STABILIZED ZIRCONIC MATERIALS |
GB2464473B (en) | 2008-10-15 | 2012-09-12 | Univ Loughborough | Deformable granule production |
GB0821674D0 (en) * | 2008-11-27 | 2008-12-31 | Univ Loughborough | Ceramic |
US8722555B2 (en) | 2009-06-04 | 2014-05-13 | Tosoh Corporation | High-strength transparent zirconia sintered body, process for producing the same, and uses thereof |
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- 2003-02-28 JP JP2003053083A patent/JP4470378B2/ja not_active Expired - Fee Related
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- 2004-02-25 CN CNB2004100060121A patent/CN100436372C/zh not_active Expired - Fee Related
- 2004-02-25 KR KR1020040012610A patent/KR101094596B1/ko not_active Expired - Fee Related
- 2004-02-25 US US10/785,084 patent/US7291574B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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JP2004262694A (ja) | 2004-09-24 |
KR20040077493A (ko) | 2004-09-04 |
TW200416207A (en) | 2004-09-01 |
JP4470378B2 (ja) | 2010-06-02 |
US20040192535A1 (en) | 2004-09-30 |
EP1452506A2 (en) | 2004-09-01 |
CN100436372C (zh) | 2008-11-26 |
CN1526683A (zh) | 2004-09-08 |
US7291574B2 (en) | 2007-11-06 |
EP1452506A3 (en) | 2009-05-27 |
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