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Phase separation in hydrides of Zr2Ni

  • Metals and Alloys
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Abstract

Room temperature X-ray and Mössbauer measurements show three single phase fields for hydrogen concentrations up to Zr2NiH5.1. Narrow two phase regions exist around Zr2NiH4.1 and between Zr2NiH4.9 and Zr2NiH5.1. Hydrogen effusion curves at constant pressure indicate two different desorption stages with activation energies of 50 kJ (mol H2)−1 and 110 kJ(mol H2)−1 which are in general agreement with theoretical values.

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Authors and Affiliations

  1. Universität des Saarlandes, Werkstoffwissenschaften, D-6600, Saarbrücken, FRG

    F. Aubertin

  2. The University of New South Wales, ADFA, Dept. of Physics, University College, 2600, Campbell, ACT, Australia

    S. J. Campbell

Authors
  1. F. Aubertin
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  2. S. J. Campbell
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Aubertin, F., Campbell, S.J. Phase separation in hydrides of Zr2Ni. Hyperfine Interact 54, 767–773 (1990). https://doi.org/10.1007/BF02396126

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