Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1996-10-15
1999-09-21
Turner, A. A.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
51295, 51307, 51309, 428212, 428336, 428472, 428698, 428697, 428699, 428701, 428702, 4283105, 4283122, 4283184, 4283191, 428551, 428552, 428565, 428610, 407119, C23C 900
Patent
active
059551860
ABSTRACT:
A cutting insert which comprises a rake face and a flank face wherein there is a cutting edge at the juncture of the rake face and the flank face. The cutting insert has a coating and a substrate wherein the coating is adherently bonded to the substrate. The substrate is a tungsten carbide-based cemented carbide wherein there is a zone of non-stratified cobalt enrichment beginning near and extending inwardly from a peripheral surface of the substrate. The bulk substrate has a porosity of greater than C00 and less than or equal to C02.
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Kennametal Inc.
Prizzi John J.
Turner A. A.
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