Stock material or miscellaneous articles – All metal or with adjacent metals – Having composition – density – or hardness gradient
Patent
1988-05-12
1990-03-20
Zimmerman, John J.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having composition, density, or hardness gradient
428679, 428941, B32B 1518
Patent
active
049100963
ABSTRACT:
A cold-rolled steel strip having an electrodeposited nickel coating exhibiting a great diffusion depth, and a process for producing this strip. In order to develop a cold-rolled strip that can be produced economically, and which has a reduced tendency to stick, good deformability, deep coating diffusion, advantageous corrosion dehavior, and improved electrochemical behavior, and in order to develop a process for producing this strip, the thickness of the nickel coating should carry a coating of cobalt which has been electrodeposited to a thickness of 0.01 to 1.0 [m, and after having been coated, the cold-rolled strip should be subjected to a final heat treatment at a temperature of between 580.degree. and 710.degree. C.
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Ferenczy Nikolaus
Junkers Dieter
Schmidt Ferdinand
Hille & Muller
Zimmerman John J.
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