| 申请日期 | 2024-11-19 | 申请号 | JP09137134 |
| 公开（公告）号 | JP3618036B2 | 公开（公告）日 | 2005-02-09 |
| 公开国别 | JP | 申请人省市代码 | 全国 |
| 申请人 | Kyocera Corporation6633 | ||
| 简介 | PROBLEM TO BE SOLVED : To produce an alumina-based sintered compact having a high strength and hardness without damaging chemical and thermal stability. SOLUTION : This alumina-based sintered compact consists essentially of an Al2 O3 crystal grain and further includes >=0.5 vol.% total of one or more kinds of compounds selected from TiO2 , Al2 TiO5 and RE2 TiO7 (RE is a rare earth element), and MgAl2 O4 in the crystal grain of the Al2 O3 as a granular body of <=3 μm average particle diameter. | ||
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