The principal objective was developed and demonstrated of a reliable, low cost, reproducible production practice for making As-HIP turbine hardware. The selected process consisted of consolidating minus 60 mesh powder in shaped metal or ceramic containers to full density by hot isostatic pressing at a temperature below the gamma prime solvus. This compaction procedure developed a desirable fine grain microstructure. Heat treatment consisting of solutioning 30F below the gamma prime solvus followed by a 1000F salt quench and double aging treatment produced the required final microstructure and mechanical properties.
CITATION STYLE
Bartos, J. L., & Mathur, P. S. (1976). DEVELOPMENT OF HOT ISOSTATICALLY PRESSED (As-HIP) POWDER METALLURGY RENE’ 95 TURBINE HARDWARE. Superalloys, Metall and Manuf, Proc of Int Symp, 3rd, Seven Springs, 495–508. https://doi.org/10.7449/1976/superalloys_1976_495_508
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