Method for producing corrosion resistant high strength superallo

Details Method for producing corrosion resistant high strength superallo Method for producing corrosion resistant high strength superallo

1981-12-30

1985-04-23

Dean, R.

Metal treatment

Compositions

Heat treating

148 131, 148 315, 148162, 148404, 148410, 428680, C22F 110

Patent

active

045128170

ABSTRACT:
Single crystal superalloy articles of a composition similar to that of IN-939 are given a combined coating and heat treatment cycle. The cycle includes a solution treatment step, a coating application step, a post coating treatment at a temperature above the gamma prime solvus and one or more aging steps. Articles so treated have improved mechanical properties.

REFERENCES:
patent: 4253885 (1981-03-01), Maurer et al.

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