NASA NTRS · 19870000401
Effects of Low Gravity on Superalloy Solidification
Abstract
Report describes experiments on directional solidification on MAR-M246(Hf) superalloy in low gravity. Determines effects of reduction in gravity on growth of dendrites and on resultant interdendritic segregation of various constituents, particularly of additive hafnium. Interdendritic spacings and carbide contents increase.
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Johnston, M. H., Parr, R. A., Curreri, P. A., Alter, Wendy. 1987-09-01. Effects of Low Gravity on Superalloy Solidification. https://ntrs.nasa.gov/citations/19870000401
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