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Defects in Modified Titanium Hydride Crystals Subjected to Heat Treatment

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Russian Physics Journal Aims and scope

Data on heat treatment of modified titanium hydride manufactured by x-ray phase and fluorescence methods are presented. General radiometric characteristics of titanium hydride, such as reflection area and intensity, interplanar spacing, etc. are investigated at temperatures in the interval 100–900°С. It is revealed that heat treatment of titanium hydride at temperatures in the interval 100–700°С causes diffraction line broadening. It is established that the main factors influencing the diffusion coefficient and the capability of hydrogen accumulation in the volume of the titanium hydride fraction, especially of the modified fraction, during heat treatment at temperatures in the interval 100–700°С, are microdistortions and density of hydride crystal lattice defects when blocking microcracks on the fraction surface with a borosilicate protective coating. The most significant defects in the titanium hydride crystal lattice are manifested at a temperature of 500°С. Hydrogen concentrated on the microdistortions of the titanium hydride crystal lattice is fixed at temperatures in the interval 600–700°С at which the crystal lattice parameters considerably decrease and the crystallization systems are compacted.

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Authors and Affiliations

  1. V. G. Shukhov Belgorod State Technological University, Belgorod, Russia

    V. I. Pavlenko, O. V. Kuprieva, N. I. Cherkashina & R. N. Yastrebinskii

Authors
  1. V. I. Pavlenko
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  2. O. V. Kuprieva
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  3. N. I. Cherkashina
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  4. R. N. Yastrebinskii
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Correspondence to V. I. Pavlenko.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 125–129, May, 2015

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Pavlenko, V.I., Kuprieva, O.V., Cherkashina, N.I. et al. Defects in Modified Titanium Hydride Crystals Subjected to Heat Treatment. Russ Phys J 58, 724–729 (2015). https://doi.org/10.1007/s11182-015-0557-y

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  • DOI: https://doi.org/10.1007/s11182-015-0557-y

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