Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent
1984-10-09
1986-06-10
Nelson, Peter A.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
428457, 428698, 423291, 204192SP, B22F 500
Patent
active
045942943
ABSTRACT:
A wear resistant multilayer coating is provided. The wear resistant coating comprises at least one internal layer and a thin, external layer of disordered boron and carbon applied to a substrate. The synergistic interaction of a hard internal layer and a lubricious boron and carbon layer provides a long lived tool coating. In a more specific embodiment, the external layer of the coating is disordered boron carbide. In accordance with one embodiment, the disordered boron and carbon external coating is of a composition B.sub.x C.sub.1-x where x is from about 0.60 to about 0.90.
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Eichen Erwin
Flasck James
Energy Conversion Devices Inc.
Goldman Richard M.
Nelson Peter A.
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