Ceramics of silicon nitride with high antioxygenic property and preparation method
Title：
Ceramics of silicon nitride with high antioxygenic property and preparation method
Application Number：
 200510085369
Application Date：
 2005/07/27
Announcement Date：
 2006/02/01
Pub. Date：
Publication Number：
 1727307
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C04B 35/584, C04B 35/622
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Li Jianbao, Tong Xuguang, Yang Xiaozhan, Lin Hong
Key Words：
 high antioxygenic property, silicon nitride ceramics, preparation method
Abstract：
 A silicon nitride ceramics with high antioxidizing performance is prepared from silicon nitride powder (60-90 Wt %), RE oxide (5-25) and prefabricated silicon nitride crystal seeds (5-15) through hot pressing or SPS sintering. It has also high strength and toughness.
Claim：
Priority：
PCT：
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Last Update  
2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







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