Title:
セラミックス焼結体及び接合体
Document Type and Number:
Japanese Patent JP5519875
Kind Code:
B1
Abstract:
A ceramic sintered body includes tungsten carbide, zirconia, and alumina. The content of the tungsten carbide is 20 to 50 vol%, and the content of the zirconia is 5 to 25 vol%. The crystal phase of the zirconia is a tetragonal crystal or a mixture of tetragonal and monoclinic crystals. The ceramic sintered body does not substantially include Ti compounds. The average particle diameter of the tungsten carbide, the average particle diameter of the zirconia, and the average particle diameter of the alumina are all 1 µm or less.
Inventors:
Atsushi Mogi
Yusuke Katsu
Ken Mitsuoka
Yusuke Katsu
Ken Mitsuoka
Application Number:
JP2013548691A
Publication Date:
June 11, 2014
Filing Date:
June 10, 2013
Export Citation:
Assignee:
Nippon Special Ceramics Co., Ltd.
International Classes:
C04B35/56
Domestic Patent References:
| JP2001019537A | 2001-01-23 | |||
| JP2002194474A | 2002-07-10 | |||
| JP2010235351A | 2010-10-21 |
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation