Abstract
Chemical interdiffusion in α-phase silver-cadmium alloys was investigated in the tem-perature range 1072 to 1179 K with solid-solid, single-crystal couples. Interdiffusion coefficients and Kirkendall shifts were experimentally determined. Kirkendall shifts were measured directly by traveling microscope measurements and were compared to those shifts calculated from Matano analyses and those predicted by the theories of Manning and Darken. The experimentally-measured Kirkendall shifts were found in all cases to be greater than those predicted by Darken and equivalent to or slightly larger than those predicted by Manning. This difference from the results predicted by Darken is attributed to the vacancy wind effect. The experimentally-determined interdiffusion coefficients are in reasonable agreement with those predicted by theory.
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Butrymowicz, D.B., Manning, J.R. Chemical interdiffusion and kirkendall shifts in silver- cadmium alloys. Metall Trans A 9, 947–953 (1978). https://doi.org/10.1007/BF02649839
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DOI: https://doi.org/10.1007/BF02649839