Compositions: ceramic – Ceramic compositions – Refractory
Patent
1993-05-25
1994-08-16
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Refractory
501103, C04B 3548
Patent
active
053387139
ABSTRACT:
A powder for sintering is prepared by the wet mixing of a finely and uniformly divided alumina powder of high purity having a primary particle diameter not exceeding 0.15 micron and an average particle diameter not exceeding 0.3 micron, and a partially stabilized zirconia powder of high purity having an average particle diameter not exceeding 0.3 micron. After granulation and molding, the mixed powder is sintered at a temperature of 1300.degree. C. to 1500.degree. C. to make a sintered body having an average grain size not exceeding 0.7 micron.
REFERENCES:
patent: 4587225 (1986-05-01), Tsukuma et al.
patent: 4626517 (1986-12-01), Watanabe et al.
patent: 4814915 (1989-03-01), Wada et al.
Awano Masanobu
Hoshi Yuzi
Takagi Hiroyoshi
Agency of Industrial Science and Technology
Bell Mark L.
Jones Deborah
Nissan Chemical Industries Ltd.
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