Palladium activation of 2.5% silicon iron prior to electroless n

Details Palladium activation of 2.5% silicon iron prior to electroless n Palladium activation of 2.5% silicon iron prior to electroless n

1982-12-30

1984-09-25

Childs, Sadie L.

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

427309, 427343, 427347, 427353, 4273837, 427405, 427438, B05D 304, B05D 310

Patent

active

044736029

ABSTRACT:
A method for electroless nickel plating of silicon-iron which has been heat treated prior to the plating operation and subjected to thermal shock after the plating operation includes the steps of cleaning the surface of the silicon-iron with a fluoride etch salt, forming a thin deposit of palladium on the clean surface of the silicon-iron, hardening the palladium deposit by treatment with a solution of ammonium hydroxide and nickel plating the silicon-iron using an electroless nickel plating solution, followed by baking at about 250.degree. F. for about six hours.

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patent: 3639143 (1972-02-01), Lussow et al.
patent: 3785866 (1974-01-01), Frey
patent: 4042730 (1977-08-01), Cohen et al.
patent: 4237154 (1980-12-01), Garrison

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