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Undercooling of 99.999% Aluminum
Keikinzoku/Journal of Japan Institute of Light Metals
The influences of superheating, cooling rate, repetitive melting and solidification cycles, and addition of some types of oxides on the undercooling of zone refined aluminum were studied. A 20 grams sample of molten aluminum was first passed through a graphite filter in order to remove oxide films from the sample and then remelted and solidified in an extra high grade graphite crucible under vacuum conditions. The larger the degree of superheating of the sample, the larger is the degree ofdoi:10.2464/jilm.42.74 fatcat:3r5ludlqyvgclgtotj2gxmdp5q