Method for improving the surface quality of stainless steels and

Details Method for improving the surface quality of stainless steels and Method for improving the surface quality of stainless steels and

1976-09-02

1978-03-14

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

134 3, 134 41, 148136, C23F 704

Patent

active

040789497

ABSTRACT:
A method of surface conditioning a stainless steel to remove oxides and imperfections therefrom whereby the steel is heated in a controlled atmosphere having an oxygen potential, (log P.sub.O.sbsb.2) between (-29,280/T) + 5.6 and (-27,840/T) + 8.1 where T is the absolute temperature in degrees Kelvin.

REFERENCES:
patent: 1932560 (1933-10-01), Payne
patent: 3377213 (1968-04-01), Hiller
McCullough et al., "Formation of Oxides on Some Stainless Steels at High Temperatures", 1950.
Hickman et al., "An Electron Diffraction Study of Oxide Films Formed on High Temperature Oxidation Resistant Alloys", 1947.

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