NASA NTRS · 19830044007
Solutal diffusion coefficient for liquid PbTe-SnTe
Abstract
The solutal diffusion coefficient has been determined for liquid lead telluride-tin telluride using a modified shear cell technique. Postdiffusion concentration profiles are presented for several diffusion couples. The best analytical curve fit to the data gives a composition-dependent diffusion coefficient of (/3/7/ to the C power) x 0.00014 sq cm/sec, where C is the PbTe concentration. In addition, data are presented to show the importance of solutal convection in the lead-tin-telluride system.
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Clark, I. O., Fripp, A. L., Debnam, W. J., Jr., Crouch, R. K., Brewer, W. D.. 1983-01-01. Solutal diffusion coefficient for liquid PbTe-SnTe. https://ntrs.nasa.gov/citations/19830044007
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