Method of salvaging and restoring useful properties to used and

Details Method of salvaging and restoring useful properties to used and Method of salvaging and restoring useful properties to used and

1976-10-14

1978-11-14

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148 4, C21D 178

Patent

active

041254171

ABSTRACT:
A method of salvaging and restoring physical and mechanical properties to hard and brittle cast metal parts which have undergone creep damage is provided which comprises hot isostatically pressing said metal parts at temperatures and pressures sufficient to undo the creep and eliminate creep-induced micro defects.

REFERENCES:
patent: 3496624 (1970-02-01), Kerr et al.
patent: 3758347 (1973-09-01), Stalker
patent: 3957542 (1976-05-01), Cina et al.
patent: 4021910 (1977-05-01), Freeman, Jr. et al.

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