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

1998-11-23

1999-09-14

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

Subjecting material to impact by moving comminuting surface

2411882, 241195, 241291, B02C 1328

Patent

active

059509376

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: 5711492 (1998-01-01), Cheladze
Patent Abstracts of Japan, vol. 013, No. 262, Jun. 16, 1989 & JP 01 065067 (Iwao Jiki Kogyo KK.).
Patent Abstracts of Japan, vol. 096, No. 002, Feb. 29, 1996 & JP 07 286166 A (Showa Denko KK.).
Database WPI, week 8314, Derwent Publications Ltd., London, GB; & JP 58 032 066 (NGK Spark Plug Co., Ltd.), Feb. 24, 1983.

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