Patent Number: 6,428,595

Title: Metal sintere body and production method thereof

Abstract: A metal sintered part; the subject of this invention is produced by the following example processes in order to offer the metal sintered part, which has a high degree of hardness and a superior wear resistance, and, in order to offer the uncomplicated production method. Process 1A: To produce a green body, which is manufactured from a metal powder and a binding material, by the metal injection molding (MIM) method. Process 2A: To conduct the de-binding treatment to the green body. Process 3A: To sinter the de-binding body and obtain the metal sintered part.The metal powder for the production is a self-fluxing alloy, such as a nickel based self-fluxing alloy. The surface Vickers hardness Hv of this product is more than value 500.

Inventors: Hayashi; Junichi (Okaya, JP), Sakata; Masaaki (Suwa, JP)

Assignee: Injex Corporation

International Classification: B22F 3/22 (20060101); C22C 1/04 (20060101); B22B 003/12 ()

Expiration Date: 08/06/2010