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Some observations on the deformation characteristics of titanium hydride

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Abstract

Deformation studies have been performed on bulk polycrystalline titanium hydride, of compositions between TiH1.53 and TiM,1.99, and at temperatures between −35 and 200° C. The yield stress increased with decreasing temperature and with increasing non-stoichiometric hydrogen vacancy content. The temperature dependence of the yield stress was enhanced with increasing vacancy content. Two-surface analysis of slip lines revealed that the slip plane was {1 1 1}. Strain-rate tests on TiH1.65 demonstrated a considerable strain-rate dependence of both yield and fracture characteristics. The effects of test temperature, non-stoichiometric defect concentration and strain-rate on the deformation and fracture characteristics are shown to be strongly related to hydrogen ion mobility.

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Authors and Affiliations

  1. Department of Physical, Metallurgy and Science of Materials, University of Birmingham, UK

    P. E. Irving & C. J. Beevers

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  1. P. E. Irving
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  2. C. J. Beevers
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Irving, P.E., Beevers, C.J. Some observations on the deformation characteristics of titanium hydride. J Mater Sci 7, 23–30 (1972). https://doi.org/10.1007/BF00549545

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  • DOI: https://doi.org/10.1007/BF00549545

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