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Development of a high strength hot isostatically pressed /HIP/ disk alloy, MERL 76A nickel-based powder metal disk alloy developed for use in advanced commercial gas turbines is described. Consideration is given to final alloy chemistry modifications made to achieve a desirable balance between tensile strength and stress rupture life and ductility. The effects of post-consolidation heat treatment are discussed, the preliminary mechanical properties obtained from full-scale turbine disks are presented.
Document ID
19800059938
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Evans, D. J. (Pratt and Whitney Aircraft East Hartford, CT, United States)
Eng, R. D. (United Technologies Corp. Pratt and Whitney Aircraft Group, East Hartford, Conn., United States)
Date Acquired
August 10, 2013
Publication Date
June 1, 1980
Subject Category
Metallic Materials
Meeting Information
Meeting: International Powder Metallurgy Conference and Exhibition
Location: Washington, DC
Start Date: June 22, 1980
End Date: June 27, 1980
Sponsors: Metal Powder Industries Federation and American Powder Institute
Accession Number
80A44108
Funding Number(s)
CONTRACT_GRANT: NAS3-20072
Distribution Limits
Public
Copyright
Other

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