Patent Number: 6,251,157

Title: Sintered alloy having superb wear resistance and process for producing the same

Abstract: A sintered alloy having superb wear resistance comprising: composite phases dispersed in a matrix of the sintered alloy; the composite phase consisting of; a particle group in which Cr carbide particles and Cr sulfide particles exist in a mixed condition; and a ferrite phase or a mixture phase of ferrite and austenite surrounding the particle group as a core.

Inventors: Aoki; Yoshimasa (Kashiwa, JP), Hayashi; Koichiro (Kashiwa, JP), Aonuma; Koichi (Matsudo, JP), Tsuboi; Toru (Kamagaya, JP)

Assignee: Hitachi Powdered Metals Co., Ltd.

International Classification: C22C 33/02 (20060101); F02F 7/00 (20060101); F16C 33/04 (20060101); F16C 33/12 (20060101); C22C 001/10 (); C22C 001/05 ()

Expiration Date: 06/26/2018