Coated cutting tool having an outer layer of TiC

Details Coated cutting tool having an outer layer of TiC Coated cutting tool having an outer layer of TiC

1996-03-15

1998-05-12

Turner, Archene

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

51295, 51307, 51309, 428457, 428469, 428472, 428336, 428697, 428698, 428699, 75240, 407119, 427255, 4272552, B23B 2714

Patent

active

057502471

ABSTRACT:
A coated cutting tool, as well as a method for making tool and a method for the milling of ductile iron using the cutting tool wherein the cutting tool includes a rake face and a flank face with a cutting edge at the juncture there. The cutting tool also presents a coating and a substrate. The substrate comprises a tungsten carbide based cemented carbide having a bulk composition of no more than 7 weight percent tantalum, no more than 3 weight percent niobium, no more than 5 weight percent titanium, no more than 1 weight percent chromium, between about 5 and about 13 weight percent cobalt, and the balance tungsten carbide. The coating has an innermost coating scheme including at least one layer adjacent to the substrate, and an outermost layer comprising titanium carbide applied by chemical vapor deposition layer.

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