Inhibition of hydrogen embrittlement of Cr-Mo steel by the addition of impurities to hydrogen environment and the effect of material strength

Ryosuke Komoda, Masanobu Kubota, Shuichi Yoshida, Aleksandar Staykov, Patrick Ginet, Francoise Barbier, Jader Furtado

    研究成果: Chapter in Book/Report/Conference proceedingConference contribution

    3 被引用数 (Scopus)

    抄録

    The effect of impurities, added to hydrogen environment, on hydrogen embrittlement (HE) was investigated in association with the effect of material strength. Addition of CO and O2 deactivated the HE. O2 prevented the HE with lower concentration than CO. Material with higher strength required larger amount of impurities to prevent the HE. Reduction of hydrogen uptake was the primary result of the addition of the impurities, but a certain amount of hydrogen uptake occurred when the HE was completely inhibited. Discussion regarding essential HE mechanisms for the fracture morphologies was required to interpret the effect of material strength.

    本文言語英語
    ホスト出版物のタイトルProceedings of the 28th International Ocean and Polar Engineering Conference, ISOPE 2018
    出版社International Society of Offshore and Polar Engineers
    ページ236-242
    ページ数7
    ISBN(印刷版)9781880653876
    出版ステータス出版済み - 2018
    イベント28th International Ocean and Polar Engineering Conference, ISOPE 2018 - Sapporo, 日本
    継続期間: 6 10 20186 15 2018

    出版物シリーズ

    名前Proceedings of the International Offshore and Polar Engineering Conference
    2018-June
    ISSN(印刷版)1098-6189
    ISSN(電子版)1555-1792

    その他

    その他28th International Ocean and Polar Engineering Conference, ISOPE 2018
    国/地域日本
    CitySapporo
    Period6/10/186/15/18

    All Science Journal Classification (ASJC) codes

    • エネルギー工学および電力技術
    • 海洋工学
    • 機械工学

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