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Article Dans Une Revue Diffusion foundations Année : 2021

Techniques of Tracer Diffusion Measurements in Metals, Alloys and Compounds

Résumé

Tracer diffusion is one of most reliable techniques for providing basic kinetic data in solids. In the present review, selected direct methods, in particular the radiotracer measurements as a superior technique due to its high sensitivity, Secondary-Ion-Mass-Spectroscopy (SIMS) profiling, X-Ray Diffraction measurements and Rutherford Backscattering Spectrometry are presented and discussed. Special attention is put on the radiotracer technique describing the currently used sectioning techniques in detail with a focus on the experimental applications and complications. The relevant experimental results are exemplary shown. Furthermore, the most recent developments and advances related to the combined tracer/inter-diffusion measurements are highlighted. It is shown that this approach offers possibilities to provide the concentration-dependent tracer diffusion coefficients of the constituting elements in multi-component alloys in high-throughput experiments. Possibilities of estimating the tracer diffusion coefficients following different types of diffusion couple methods in binary and multicomponent systems are briefly introduced. Finally, specificity of SIMS analysis of diffusion in fine-grained materials are carefully analyzed. If applicable, a direct comparison of the results obtained by different techniques is given.

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Matériaux
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Dates et versions

hal-03980354 , version 1 (09-02-2023)

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Daniel Gärtner, Lisa Belkacemi, Vladimir A. Esin, François Jomard, Andrey Fedotov, et al.. Techniques of Tracer Diffusion Measurements in Metals, Alloys and Compounds. Diffusion foundations, 2021, 29, pp.31-73. ⟨10.4028/www.scientific.net/DF.29.31⟩. ⟨hal-03980354⟩
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