Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroaki Seno0
Yucong Wang0
Shugo Onitsuka0
Kunihide Shikata0
Date of Patent
December 12, 2006
0Patent Application Number
109272660
Date Filed
August 26, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Alumina/zirconia ceramics containing Al2O3 in an amount of not less than 65 mass % and ZrO2 in an amount of 4 to 34 mass %, and further containing TiO2, MgO and SiO2. The ceramics effectively suppresses the growth of shape isotropic particles of alumina, suppresses the growth of zirconia particles, and has a high strength and a high hardness. Besides, the ceramics containing SrO features a high fracture toughness.
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