Coating processes – Applying superposed diverse coating or coating a coated base – Metallic compound-containing coating
Patent
1998-12-09
2000-07-11
Turner, Archene
Coating processes
Applying superposed diverse coating or coating a coated base
Metallic compound-containing coating
2041921, 20419211, 20429801, 20429802, 20429805, 4272551, 4272552, 4272557, 427457, 427470, 427530, C23C 1400
Patent
active
060869593
ABSTRACT:
A coating scheme comprising a boron and nitrogen containing layer that satisfactorily adheres to a substrate is disclosed. The satisfactorily adherent coating scheme comprises a base layer, a first intermediate layer, a second intermediate layer and the boron and nitrogen containing layer. The coating scheme is compatible with tooling for drilling, turning, milling, and/or forming hard, difficult to cut materials. The coating scheme has been applied to cutting inserts comprised of cermets or ceramics using PVD techniques. The boron and nitrogen layer preferably comprises boron nitride and, more preferably, cubic boron nitride.
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Inspekto
Kennametal Inc.
Prizzi John J.
Turner Archene
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