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In this study, the effect of hydrogen on the evolution of the deformation microstructure in 2Mn-0.1C steel mainly composed of ferrite microstructure was systematically investigated. We found that the densities of the total dislocations (existing outside the LEDS boundaries and constituting LEDS boundaries) were higher in the hydrogen-charged specimens. In addition, we conclude that hydrogen increases the relative mobility of screw dislocations to edge dislocation, leading to the frequent cutting of screw dislocations and tangled dislocation morphology.

権利情報:

• In Copyright
  

キーワード: Ferritic steel, Hydrogen embrittlement, Dislocation, Neutron diffraction

刊行年月日: [2024年]

出版者: J-PARC MLF

掲載誌:

• MLF Annual Report 2022 p. 7-9

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://mlfinfo.jp/en/reports/published.html

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更新時刻: 2024-08-27 16:30:32 +0900

MDRでの公開時刻: 2024-08-27 16:30:32 +0900