Abstract Cellular solidification has been known and discussed since a long time. The appearance of cellular and dendritic microstructure closely resembles Benard cells known from fluid physics. Similar generation mechanismus may possibly be assumed. Both g-dependent and g-independent convective phenomena may probably be linked to the occurrence of instabilities at solidification fronts. It is to be expected that normal freezing of model alloys (advantageously such with no volume change at the freezing point) in a defined temperature gradient (gradient furnace) and quenching them may help to quantity g-influence on solidification.
Mass transport in the near vicinity of solidification fronts under conditions of microgravity
Advances in Space Research ; 1 , 5 ; 97-110
1981-01-01
14 pages
Article (Journal)
Electronic Resource
English
Dendritic solidification under microgravity conditions
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