Method of producing protective oxide layers

Details Method of producing protective oxide layers Method of producing protective oxide layers

1983-04-04

1984-10-23

Silverberg, Sam

Metal treatment

Compositions

Heat treating

C23F 702

Patent

active

044786484

ABSTRACT:
A method for producing oxide surface layers on titanium-based objects. The object is pretreated mechanically and, following pretreatment, an oxidation process takes place using a low oxidation potential and a temperature between 480.degree. C. and 800.degree. C. As an oxidizing agent, use is preferably made of water vapor at a partial pressure of about 20 mbar. The water vapor may be mixed with an inert carrier gas, such as argon or helium.

REFERENCES:
patent: 2269601 (1942-01-01), Perrin
patent: 2784123 (1957-03-01), Rappaport
patent: 3408236 (1968-10-01), Hartesvelt
patent: 4263060 (1981-03-01), Gaucher
McGannon, The Making & Shaping of Steel, p. 31, 1964.

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