Preparing an environmentally stable stainless surface for bondin

Details Preparing an environmentally stable stainless surface for bondin Preparing an environmentally stable stainless surface for bondin

1975-12-22

1977-12-20

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204 56R, C25D 1134, C25D 1138

Patent

active

040640205

ABSTRACT:
A method of preparing a stainless steel surface for bonding by anodically treating the steel in an electrolytic bath, at a temperature of 60.degree. F to 180.degree. F, of an aqueous solution of sulfuric acid or an aqueous solution of sulfuric and chromic acids with an impressed voltage during anodizing of a range to remain within the passive region of the stainless steel.

REFERENCES:
patent: 2375210 (1945-05-01), Batcheller
patent: 3804730 (1974-04-01), Evans et al.

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