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Sample-shape dependence of the spinodals and the diffusion coefficients for hydrogen in niobium and tantalum

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Zeitschrift für Physik B Condensed Matter

Abstract

The spinodals for H in Nb and Ta are measured for wire- and foil-shaped specimens, using the Gorsky effect. A pronounced dependence on sample geometry is found and explained in the scope of the mode theory by Wagner and Horner. Also a shape dependence of the macroscopic diffusion coefficient as predicted by this theory has experimentally been verified.

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Authors and Affiliations

  1. Physik-Department, Technischen Universität München, D-8046, Garching bei München, Germany

    J. Tretkowski, J. Völkl & G. Alefeld

Authors
  1. J. Tretkowski
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  2. J. Völkl
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  3. G. Alefeld
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Tretkowski, J., Völkl, J. & Alefeld, G. Sample-shape dependence of the spinodals and the diffusion coefficients for hydrogen in niobium and tantalum. Z Physik B 28, 259–264 (1977). https://doi.org/10.1007/BF01317251

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  • DOI: https://doi.org/10.1007/BF01317251

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