Metal surface treatment method

Details Metal surface treatment method Metal surface treatment method

1978-05-26

1980-01-01

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

148 62, 29 90R, C23F 710, C23F 726

Patent

active

041815408

ABSTRACT:
A method of polishing or smoothing a metal surface includes the steps of (a) applying a solution of a compound capable of forming a friable, relatively impervious conversion coating on the surface, and (b) rubbing the conversion coating with a conforming surface while retaining the solution between the surfaces both to remove the conversion coating by abrasion and to expose the metal surface to the solution for further reaction, thereby repeatedly forming a conversion coating and breaking the coating away until the surface is smooth and polished.

REFERENCES:
patent: 1109670 (1914-09-01), Feidt
patent: 1740731 (1929-12-01), Gravell
patent: 1978112 (1934-10-01), Malby
patent: 2036740 (1936-04-01), Bengston
patent: 2221968 (1940-11-01), Friedmann
patent: 2266379 (1941-12-01), Floyd
patent: 2298418 (1942-10-01), Roesner et al.
patent: 2453429 (1948-11-01), Gorman
patent: 2962809 (1960-12-01), Short et al.
patent: 3075279 (1963-01-01), Halter
Deburring . . . The Common Cold of Industry, Production, Nov. 1977, p. 71.
Wiederholt, The Chemical Surface Treatment of Metals, Robert Draper Ltd., 1965, pp. 118, 120.

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