Principle of heterogeneous nucleation exploited to prevent gallium from supercooling, enabling its use as heat-storage material that crystallizes reproducibly at its freezing or melting temperature of 29 to 30 degrees C. In original intended application, gallium used as heat-storage material in gloves of space suits. Terrestrial application lies in preparation of freezing-temperature reference samples for laboratories. Principle of heterogeneous nucleation also exploited similarly in heat pipes filled with sodium.
Preventing Supercooling Of Gallium
NASA Tech Briefs ; 18 , 9
1994-09-01
Miscellaneous
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English
Preventing Supercooling of Gallium
Online Contents | 1994
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