Hydrogen Embrittlement Understood

Ian M. Robertson, P. Sofronis, A. Nagao, M. L. Martin, S. Wang, D. W. Gross, K. E. Nygren

    研究成果: Contribution to journalArticle査読

    218 被引用数 (Scopus)

    抄録

    The connection between hydrogen-enhanced plasticity and the hydrogen-induced fracture mechanism and pathway is established through examination of the evolved microstructural state immediately beneath fracture surfaces including voids, “quasi-cleavage,” and intergranular surfaces. This leads to a new understanding of hydrogen embrittlement in which hydrogen-enhanced plasticity processes accelerate the evolution of the microstructure, which establishes not only local high concentrations of hydrogen but also a local stress state. Together, these factors establish the fracture mechanism and pathway.

    本文言語英語
    ページ(範囲)2323-2341
    ページ数19
    ジャーナルMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
    46
    6
    DOI
    出版ステータス出版済み - 6 1 2015

    All Science Journal Classification (ASJC) codes

    • 凝縮系物理学
    • 材料力学
    • 金属および合金

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