鉄鋼におけるγ−εマルテンサイト変態に及ぼす水素の効果

DOI

書誌事項

タイトル別名
  • Overview of Hydrogen Effects on γ−ε Martensitic Transformation in Steels

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説明

<p>This paper presents an overview of our recent works on the effects of hydrogen on γ–ε martensitic transformations in steels. The study first discusses how hydrogen impacts these transformations. While hydrogen suppresses thermally-induced γ–ε martensitic transformation, it increases the fraction and number density of deformation-induced ε–martensite and decreases its thickness. Secondly, we discuss the effects of γ–ε martensitic transformations on hydrogen kinetics. The study also highlights the significance of low hydrogen diffusivity in the hexagonal-close-packed (HCP) lattice of pure iron, demonstrating the effectiveness of ε–martensite in resisting hydrogen. Moreover, the characteristic behavior of the HCP phase-related diffusionless transformation from a hydride is discussed. We believe that this overview will assist in developing hydrogen-resistant steels and in exploring new microstructural control concepts using hydrogen.</p>

収録刊行物

  • 鉄と鋼

    鉄と鋼 111 (8), 379-390, 2025-06-01

    一般社団法人 日本鉄鋼協会

キーワード

詳細情報 詳細情報について

  • CRID
    1390585869248224256
  • DOI
    10.2355/tetsutohagane.tetsu-2025-007
  • ISSN
    18832954
    00211575
  • 本文言語コード
    ja
  • データソース種別
    • JaLC
  • 抄録ライセンスフラグ
    使用不可

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