Surface-coated cemented carbide article or part

Details Surface-coated cemented carbide article or part Surface-coated cemented carbide article or part

1986-03-21

1988-01-19

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Composite

Of inorganic material

428699, 428336, B32B 702, B32B 1518, B32B 1706

Patent

active

047204370

ABSTRACT:
A cemented carbide article or part having a hard coating excellent in heat shielding effect and initial wear resistance is described in which the hard coating comprises an inner layer of TiC and an outer layer of TiC, and an intermediate layer, provided between the inner layer and outer layer, consisting of at least one layer selected from the group consisting of a single layer of TiN and a composite layer with such a structure that a TiN layer is sandwiched in between TiCN layers.

REFERENCES:
patent: 3977061 (1976-08-01), Lindstrom et al.
patent: 4019873 (1977-04-01), Reiter
patent: 4237184 (1980-12-01), Gonseth et al.

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