Reply to comments on the paper “In situ observations of silver-decoration evolution under hydrogen permeation

Effects of grain boundary misorientation on hydrogen flux in pure iron” by Gavriljuk and Teus

Motomichi Koyama, Daisuke Yamasaki, Kaneaki Tsuzaki

研究成果: ジャーナルへの寄稿レター

1 引用 (Scopus)

抄録

As a response to a comment by Gavriljuk and Teus, we discuss the effects of hydrogen-charging-induced crack formation and plastic deformation on a high hydrogen flux along the grain boundaries in pure iron. Because no cracks were observed in the microstructure of the pure iron specimen used in our study, the effects of crack formation could be ruled out. In contrast, dislocation localization near grain boundaries was observed, possibly due to a hydrogen concentration gradient; therefore, the presence of dislocations may assist hydrogen segregation and cause the high hydrogen flux.

元の言語英語
ページ(範囲)91-92
ページ数2
ジャーナルScripta Materialia
140
DOI
出版物ステータス出版済み - 11 1 2017

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Silver
Permeation
misalignment
Hydrogen
Grain boundaries
Iron
grain boundaries
silver
Fluxes
iron
hydrogen
crack initiation
Crack initiation
Dislocations (crystals)
plastic deformation
charging
Plastic deformation
cracks
Cracks
gradients

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

これを引用

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AU - Yamasaki, Daisuke

AU - Tsuzaki, Kaneaki

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AB - As a response to a comment by Gavriljuk and Teus, we discuss the effects of hydrogen-charging-induced crack formation and plastic deformation on a high hydrogen flux along the grain boundaries in pure iron. Because no cracks were observed in the microstructure of the pure iron specimen used in our study, the effects of crack formation could be ruled out. In contrast, dislocation localization near grain boundaries was observed, possibly due to a hydrogen concentration gradient; therefore, the presence of dislocations may assist hydrogen segregation and cause the high hydrogen flux.

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