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Russian Physics Journal

, Volume 62, Issue 5, pp 854–860 | Cite as

Hydrogen Effect on the Defect Structure Formation in the Zr – 1 WT.% Nb Alloy Under Pulsed Electron Beam Irradiation

  • I. P. MishinEmail author
  • G. P. Grabovetskaya
  • E. N. Stepanova
  • R. S. Laptev
  • A. D. Teresov
Article
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Using the methods of X-ray structural analysis and electron and positron spectroscopy, it is found out that an irradiation of the surface of a Zr – 1 wt.% Nb specimen with an electron beam in the melting mode results in the formation of lamellar α+α′-structure, an increase in the dislocation density, a dissolution of the β-Nb phase, and the formation of defects of the vacancy-impurity type. The presence of hydrogen in the alloy irradiated with an electron beam favors the formation of complex hydrogen-vacancy complexes in the surface layer along with dislocations.

Keywords

zirconium alloy hydrogen pulsed electron beam defects 

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • I. P. Mishin
    • 1
    Email author
  • G. P. Grabovetskaya
    • 1
  • E. N. Stepanova
    • 2
  • R. S. Laptev
    • 2
  • A. D. Teresov
    • 3
  1. 1.Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of SciencesTomskRussia
  2. 2.National Research Tomsk Polytechnic UniversityTomskRussia
  3. 3.Institute of High Current Electronics of the Russian Academy of SciencesTomskRussia

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