Coated cutting insert

Details Coated cutting insert Coated cutting insert

1997-07-01

1999-08-24

Turner, Archene

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

57307, 57309, 407119, 427255, 4272551, 4272552, 4272557, 428336, 428469, 428698, C23C 1630, C23C 1636

Patent

active

059423188

ABSTRACT:
There is provided a coated cutting insert particularly useful for finishing operations in milling of grey cast iron. The insert has a fine-grained WC-Co cemented carbide body and a coating of multiple layers of TiC.sub.x N.sub.y deposited at conditions aiming to minimize the decarburization of the cutting edge without any negative effects on the substrate. There is also disclosed a method of applying a TiC.sub.x N.sub.y layer by CVD technique on a cemented carbide cutting insert without eta phase formation and without etching of the binder phase.

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