Stock material or miscellaneous articles – Composite – Of metal
Patent
1984-07-02
1987-02-17
Swisher, Nancy
Stock material or miscellaneous articles
Composite
Of metal
428698, 428699, 428472, 428421, B32B 702, B32B 1518
Patent
active
046439510
ABSTRACT:
Multilayer protective coatings that are applied over a substrate are disclosed that comprise a plurality of superimposed multilayer units. Each multilayer unit contains two or more superimposed thin layers in which at least two layers are compositionally different. The properties of the resulting coating are a combination of the properties of the individual layers. One layer of a multilayer unit may provide hardness or wear resistance and another layer may provide lubricity, for example. The thickness of the individual layers can be related to the microscopic surface relief of the substrate to which the protective coating is applied.
REFERENCES:
patent: 4237184 (1980-12-01), Gonseth et al.
patent: 4268568 (1981-05-01), Sard et al.
Flasck James D.
Keem John E.
Goldman Richard M.
Norris Lawrence G.
Ovonic Synthetic Materials Company Inc.
Ryndak James D.
Swisher Nancy
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