Under slower solidification, primary-dendrite-arm spacing increases. Report discusses experiments on influence of solidification rates on crystallographic orientation and mechanical properties of superalloy MAR-M-246+Hf. Specimens grown in directional-solidification furnace, visually examined for microstructure, and stretched to failure in tensile-testing machine. Back-reflection Laue x-ray photographs taken to determine growth orientations.
Solidification-Rate Effects In MAR-M-246+Hf Alloy
NASA Tech Briefs ; 12 , 2
01.02.1988
Sonstige
Keine Angabe
Englisch
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