Abstract Keeping planar the L/S interface during solidification and controling heat and mass transfers in the liquid phase are 2 important constraints which need to be satisfied to grow suitable single crystals. In the first part of this paper we describe performances of the MEPHISTO instrument which allows : — On line in-situ measurements of the real undercooling of a solidification front by a non-perturbative thermoelectric method. — On line supervision of convective motions influence on crystal growth. In the second part, we present the first main results obtained during the ground testing of the space mock-up and we quantify the scientific results accuracy concerning both the onset of the morphological stability and the interface response to unsteady perturbations.
A space instrument for fundamental materials science problems: The MEPHISTO program
Advances in Space Research ; 8 , 12 ; 49-59
1989-01-01
11 pages
Article (Journal)
Electronic Resource
English
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