Manufacturing method for high hardness member

Details Manufacturing method for high hardness member Manufacturing method for high hardness member

1988-03-29

1989-08-08

Yee, Deborah

Metal treatment

Compositions

Heat treating

148 16, C21D 900

Patent

active

048549789

ABSTRACT:
A metal molded shape having a high hardness surface layer which is hard to work is obtained by casting an easy to work alloy member into a desired molded form, and then changing the composition of the member surface by volatilizing off the high vapor pressure elements, carried out by subjecting the easy to work alloy member, to a heat treatment at high temperature.

REFERENCES:
patent: 3277149 (1966-10-01), Brickner et al.
patent: 3966509 (1976-06-01), Podgurski

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