Chemistry: electrical and wave energy – Processes and products
Patent
1978-05-18
1979-01-09
Andrews, R. L.
Chemistry: electrical and wave energy
Processes and products
204DIG8, C25D 1104
Patent
active
041337255
ABSTRACT:
A process for hard anodizing of aluminum and aluminum alloys by use of a low voltage having a DC component and a superimposed AC component. The electrolyte can have relatively low acid concentration and can be of higher temperature than usually employed for hard anodizing.
REFERENCES:
patent: 2743221 (1956-04-01), Sanford
patent: 2897125 (1959-07-01), Franklin
patent: 2905600 (1959-09-01), Franklin
patent: 2977294 (1961-03-01), Franklin
patent: 3020219 (1962-02-01), Franklin
DFBO-Mitteilungen, "Hartanodisation mit Wechsel-stromubertagerung," Sep. 10, 1973, pp. 174-182.
Light-Metals, "Hard Surfacing Light Alloy by Anodizing," Feb. 1952, pp. 46-48.
Lerner Moisey M.
Morse James H.
Andrews R. L.
Sanford Process Corporation
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