Title:
MULTIPLE COATED SUPER HARD ALLOY AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JPS531112
Kind Code:
A
Abstract:
PURPOSE: To extend remarkably the life-time of cutting tool by addition of carbon as a component of super hard alloy parts which is made by coating the part with inner coating layer consisting of carbide or carbonitride of titanium and with outter layer consisting of nitride or carbonitride of Zr, Hf, V, Nb, or Ta.
Inventors:
TOBIOKA MASAAKI
KODAMA MITSUO
NAKANO MINORU
ASAI TSUYOSHI
YAMAMOTO TAKAHARU
HARA AKIO
KODAMA MITSUO
NAKANO MINORU
ASAI TSUYOSHI
YAMAMOTO TAKAHARU
HARA AKIO
Application Number:
JP7249176A
Publication Date:
January 07, 1978
Filing Date:
June 18, 1976
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
B22F3/24; B22F7/04; B23B27/14; C04B41/89; C22C29/02; C22C29/04; C22C29/06; C22C29/16; C23C16/30; C23C16/32; C23C16/34; C23C16/40; C23C30/00; (IPC1-7): B22F3/24; C04B41/06; C22C29/00; C23C11/08