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Combined interdiffusion and self-diffusion analysis in Al-Cu liquid diffusion couple
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DOI：10.1016/j.scriptamat.2017.09.003.png)
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Abstract
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In this paper, a recent combined isotope and interdiffusion analysis is adapted to the case of binary liquid alloys. Shear-cell interdiffusion experiments with a layer enriched in Cu-65 sandwiched between the interdiffusion couple ends have been performed on liquid Al-Cu that is suitable for demonstration, of the application of this analysis. (Note that the analysis is not limited to the, use of the shear-cell technique.) The self-diffusion coefficient of Cu is then obtainable as a function of composition. Results of the new analysis are in good agreement with an independently measured Cu self (tracer) diffusion coefficient at two compositions. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Keywords:
Diffusion
Interdiffusion experiment
Isotopes
Metallic alloys
Self-diffusion
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