Hot isostatic pressing of single crystal superalloy articles

Details Hot isostatic pressing of single crystal superalloy articles Hot isostatic pressing of single crystal superalloy articles

1987-03-30

1996-11-12

Zimmerman, John

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148675, C21D 178

Patent

active

055736092

ABSTRACT:
A method for the densification of a shaped nickel base single crystal alloy article utilizing a pre-HIP, a hot isostatic pressing (HIP) step, and post-HIP solution heat treatment to enhance removal of casting porosity in a finished article.

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Evans, D. J., "Powder Metallurgy Processing of High Strength Turbine Disk Alloys," American Society of Mechanical Engineers, Mar. 1976, Pub. 76-GT-96.
Van Drunen, G. et al, "Hot Isostatic Processing of IN-738 Turbine Blades", Westinghouse Canada Limited 13-1/11, no date.

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