Process for producing aluminum material for use in vacuum

Details Process for producing aluminum material for use in vacuum Process for producing aluminum material for use in vacuum

1984-12-17

1986-10-07

Silverberg, Sam

Metal treatment

Compositions

Heat treating

118 50, C23C 812

Patent

active

046157476

ABSTRACT:
An aluminum material for use in a vacuum is produced by a process comprising the steps of removing a hydrated oxide coating from the surface of a worked aluminum material to obtain a clean surface in a dry state, and heating the aluminum material in an oxygen gas-containing atmosphere out of contact with the water-containing atmosphere to form an oxide coating on the dry clean surface.

REFERENCES:
patent: 3039910 (1962-06-01), Zelly
patent: 3373114 (1968-03-01), Grunwald
patent: 3574681 (1971-04-01), Cecil
patent: 4149912 (1979-04-01), Craighead
patent: 4426252 (1984-01-01), Kape

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