Method of manufacturing brazable super alloys

Details Method of manufacturing brazable super alloys Method of manufacturing brazable super alloys

1986-11-18

1988-04-12

Lusignan, Michael R.

Metal treatment

Compositions

Heat treating

148410, 148428, C23C 806, C22C 1905

Patent

active

047372001

ABSTRACT:
Disclosed is a process for treating the surface of super alloys, notably nickel-base alloys, with thin cross sections, in preparation for brazing processes. The super alloy is heat treated in a partial pressure of oxygen at a temperature less than about 1975.degree. F. but above the engineering solvus temperature of gamma prime intermetallics followed by a rapid cooling step. The resultant alloy is thereby provided with a surface that has improved brazability.

REFERENCES:
patent: 4312682 (1982-01-01), Herchenroeder
patent: 4439248 (1984-03-01), Herchenroeder
patent: 4460542 (1984-07-01), Herchenroeder
patent: 4507264 (1985-03-01), Stern
patent: 4566939 (1986-01-01), Miller et al.

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