Synchrotron X-ray Laue Diffraction Study of Hydrogen-induced Blisters on Iron Grain Boundaries
X. Tao, G.-C. Lv, J. Kou, X. Xiong, A. A. Volinsky, C.-S. Ku, K. Chen*, and Y.-J. Su*
2019/08/01
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.
Research Highlights
