
jsc2020e017721 (3/30/2020) --- A preflight view of a Polarized light micrograph of an Al-4%Cu alloy sample solidified in the SUBSA furnace showing a columnar-to-equiaxed transition in the grain structure. The sample has been electrolytically etched to show grains of differing orientation in color contrast under polarized light.
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NASA ID
jsc2020e017721
Date Created
April 28, 2020
Center
JSC
Media Type
image
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