SURFACE-COATED HARD MEMBER FOR CUTTING AND ABRASION-RESISTANT TOOLS

摘要

A surface-coated superhard member for a cutting or abrasion-resistant tool, wherein a coating is disposed on the surface of a parent metal for the tool so as to improve the abrasion resistance thereof. This member comprises a parent metal and, superimposed on the surface thereof, a hard coating having a thickness of 0.5 to 10 mu m and comprising at least one member selected from among a carbide, a nitride and a carbonitride of M1-xAlx (wherein 0