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Synchrotron X-ray Laue diffraction study of hydrogen-induced blisters on iron grain boundaries

  • Xuan Tao
  • , Guo Cai Lv
  • , Jiawei Kou
  • , Xilin Xiong
  • , Alex A. Volinsky
  • , Ching Shun Ku
  • , Kai Chen
  • , Yan Jing Su
  • University of Science and Technology Beijing
  • Xi'an Jiaotong University
  • University of South Florida
  • National Synchrotron Radiation Research Center Taiwan

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

The effects of grain boundaries (GBs)on the initiation of hydrogen-induced blisters in pure iron were investigated using synchrotron polychromatic X-ray Laue nano-diffraction. It was found that the random GBs were more susceptible to blistering than the coincidence site lattice grain boundaries. High strain levels and severe plastic deformation were observed around the random GBs after hydrogen charging, but not on the coincidence site lattice grain boundaries.

Original languageEnglish
Pages (from-to)82-86
Number of pages5
JournalScripta Materialia
Volume169
DOIs
StatePublished - Aug 2019

Keywords

  • Grain boundaries
  • Hydrogen blister
  • Iron
  • Synchrotron X-ray Laue nano-diffraction

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