Coated cemented carbides

Details Coated cemented carbides Coated cemented carbides

1994-11-14

1996-04-02

Turner, A. A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428212, 428216, 428217, 428467, 428472, 428677, 428698, 428697, C23C 1630

Patent

active

055039251

ABSTRACT:
Coated cemented carbides used for cutting tool and having improved resistance to chipping without sacrificing resistance to wear.
They comprise a substrate comprising WC, at least one iron-family metal forming a binder phase and a hard phase in which a hard phase comprising at least one element selected from the group consisting of carbides, nitrides and carbonitrides of metal containing Zr and/or Hf as a main component coexists with a hard phase comprising at least one element selected from the group consisting of carbides, nitrides and carbonitrides of metal containing Ti as a main component, and at least one coating layer formed on said substrate, said coating layer comprising at least one element selected from the group consisting of a carbide, nitride, oxide and boride of a metal that belongs to the IVa, Va and VIs groups and aluminum oxide.

REFERENCES:
patent: 3690962 (1972-09-01), Rudy
patent: 4698266 (1987-10-01), Buljan et al.
patent: 4743515 (1988-05-01), Fisher et al.
Sarin, "Cemented Carbide Cutting Tools" Advances in Powder Technology, Material Science Seminar, Louisville KT ed. G. Y. Chin 1981.

Affiliated with

Also associated with

Rating

Coated cemented carbides does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Coated cemented carbides, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coated cemented carbides will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2015284