Coated cutting insert

Details Coated cutting insert Coated cutting insert

1997-09-05

1999-08-31

Turner, Archene

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428336, 428469, 428212, 428323, 428325, 428698, 428701, 428702, 51307, 51309, 407119, C23C 1630

Patent

active

059452072

ABSTRACT:
There is disclosed a coated cutting insert particularly useful for cutting in cast iron materials. The insert is characterized by a straight WC-Co cemented carbide body having a highly W-alloyed Co binder phase, a well-defined surface content of Co and a coating including an innermost layer of TiC.sub.x N.sub.y O.sub.z with columnar grains, a layer of a fine-grained, textured Al.sub.2 O.sub.3 layer and a top layer of TiC.sub.x N.sub.y O.sub.z that has been removed along the cutting edge line.

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English Translation of JP 25282-1978.
Patent Abstracts of Japan, abstract of JP, A, 60110840, published Jun. 17, 1985.

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