Process for electrochemically or chemically coating niobium

Details Process for electrochemically or chemically coating niobium Process for electrochemically or chemically coating niobium

1985-03-15

1986-12-30

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

204 29, 204 385, 204 40, 427328, C25D 538

Patent

active

046327347

ABSTRACT:
Niobium is electrochemically or chemically coated by subjecting work pieces made of niobium to a blast treatment with aluminium oxide, a treatment with an alkaline cyanide bath, a preliminary nickel deposition treatment using an acidic nickel chloride bath, another treatment with an alkaline cyanide bath, and thereafter to an electrochemical or chemical coating treatment with the desired metal in a per se known manner. To properties of the coatings, more specifically, satisfy the requirements as set for supra-conductive materials.

REFERENCES:
patent: 2835630 (1958-05-01), Huddle et al.
patent: 3314867 (1967-04-01), Gore et al.
patent: 3582479 (1971-06-01), Urban et al.
patent: 3866315 (1975-02-01), Ziemek

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