Deformation and Fracture of Zirconium Alloy at Low Temperatures

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Abstract

This paper describes the results of an experimental study on deformation and fracture of a Zr–1% Nb zirconium alloy in the case of multiple loads at low temperatures (−80°C). Samples cut out of pipes and applied as shells of nuclear fuel elements of fuel assemblies of nuclear reactors are used to conduct a series of experiments on low-cycle stretching and compression at low temperatures and study the effect of low temperature on stress relaxation in the material under different numbers of preliminary loads.

Original languageEnglish
Pages (from-to)1130-1137
Number of pages8
JournalJournal of Applied Mechanics and Technical Physics
Volume58
Issue number6
DOIs
Publication statusPublished - 1 Nov 2017

Keywords

  • low temperatures
  • low-cycle fatigue
  • multiple load
  • stress relaxation
  • zirconium alloy

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