Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Patent
1995-02-24
1998-02-24
Zimmerman, John J.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having composition, density, or hardness gradient
428625, 428659, 57902, 152451, 152565, B32B 1506, B60C 900
Patent
active
057220395
ABSTRACT:
A wire, generally made of steel and used to make composite elements of elastomeric material, is submitted to an electrodeposition process in an electrolytic bath for being coated with a zinc/cobalt alloy in which the average cobalt content is lower than 1%. In the coating thickness made of the zinc/cobalt alloy, different cobalt concentrations exist, that is a 1% to 3% concentration at the area close to the metal and a concentration as low as 0.5% maximum at the overlying area. Adhesion promoters for example consisting of cobalt neodecanate, added to the elastomeric material, promote the adhesion of said elastomeric material to the wire.
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Surface Coating Technology, vol. 52, No.1, 12 Mar. 1993, Switzerland, pp.17-30, Giridhar et al. `Study of ZN-NI and ZN-CO Coatings Electrodeposited On Steel Strips`.
Pirelli Coordinamento Pneumatici
Zimmerman John J.
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