Alumina-zirconia sintered body, production thereof, and impact g

Details Alumina-zirconia sintered body, production thereof, and impact g Alumina-zirconia sintered body, production thereof, and impact g

1997-01-28

1999-03-02

Marcantoni, Paul

Compositions: ceramic

Ceramic compositions

Refractory

501107, 501127, 423608, 423625, C04B 3510, C04B 3548

Patent

active

058771050

ABSTRACT:
An alumina-zirconia sintered body comprising 92 to 35% by weight of aluminum oxide and 8 to 65% by weight of zirconium oxide having mainly tetragonal system, and 0.2 to 5 parts by weight of silicon oxide per 100 parts by weight of the total of aluminum oxide and zirconium oxide, and having a relative density of 95% or more, has improved wear resistance and suitable for use in an impact grinder.

REFERENCES:
patent: 4829028 (1989-05-01), Seki et al.
Patent Abstracts of Japan, vol. 013, No. 262, 16 Jun. 1989 & JP 01 065067 A (IWAO JIKI KOGYO KK.) 10 Mar. 1989 "Abstract".
Patent Abstracts of Japan, vol. 096, No. 002, 29 Feb. 1996 & JP 07 286166 A (Showa Denko KK.), 31 Oct. 1995 "Abstract".
Database WPI, Week 8314, Derwent Publications Ltd., London, GB; & JP 58 032 066 A (NGK Spark Plug Co., :Ltd.), 24 Feb. 1983 "Abstract ".

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