Tosoh Corporation

Nikkato Corporation

Michiharu Ogai

Toshihiko Arakawa

Michiyuki Aimoto

Toshio Kawanami

Hiroyuki Matsumura

Hiroshi Ohnishi

A shot method wherein a shot media based on zirconia composed of a sintered body of partially stabilized zirconia, of which a substantial quantity of the shot media pass through a sieve of normal sizes with apertures of 2.36 mm or less, of which the mean relative density against the theoretical density of zirconia is not less than 95%, of which the mean grain size is not more than 1.0 .mu.m, and which has a mean Vickers hardness of not less than 1,000 kgf/mm.sup.2, is shot to a work surface.

Growing community of inventors

Hikari, Japan

Michiharu Ogai