Coated cemented carbide cutting tool

Details Coated cemented carbide cutting tool Coated cemented carbide cutting tool

1985-10-11

1987-08-11

Swisher, Nancy A.

Stock material or miscellaneous articles

Composite

Of inorganic material

428469, 428699, 428472, B22E 300, C23C 1100

Patent

active

046861564

ABSTRACT:
The present invention is directed to a triple coated cemented hard metal carbide product in which a cemented metal carbide substrate is coated with, first, a metal carbide coating to promote coating adherence to the substrate, secondly, a metal nitride or carbonitride coating to promote crater wear resistance and, thirdly, a metal carbide outer layer to promote flank flank wear resistance in order to protect the cemented metal carbide substrate from corrosive atmosphere and abrasion due to frictional flank wear.

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W. S. Williams, Transactions of The Metallurgical Society of AIME, 236, 211-216, (1966).
Encyclopedia of Chemical Technology, vol. 23, 273-309, Article by R. Komanduri.

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