Metal treatment – Compositions – Heat treating
Patent
1988-09-12
1989-11-07
Dean, R.
Metal treatment
Compositions
Heat treating
148131, 148162, 148410, C22F 110
Patent
active
048789526
ABSTRACT:
Cast structural components of nickel alloys are heat treated by heating to a temperature above the incipient melting temperature of the carbidic .gamma./.gamma.' eutectic phase, whereby homogenizing and complete solution annealing of the material structure is acheived. Thereafter, the resultant fusion pores are closed at low temperature.
REFERENCES:
patent: 3753790 (1973-08-01), Walker et al.
Dean R.
Fasse W. G.
Kane, Jr. D. H.
MTU Motoren-und Turbinen-Union Muenchen GmbH
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