Effect of nitrogen-addition on the absorption and diffusivity of hydrogen in a stable austenitic stainless steel

Arnaud Macadre, Takuro Masumura, Ryota Manabe, Toshihiro Tsuchiyama, Setsuo Takaki

    研究成果: Contribution to journalArticle査読

    9 被引用数 (Scopus)

    抄録

    An austenitic stainless steel (SUS316L) was prepared with and without addition of solute nitrogen. The effect of cold-working and nitrogen addition on hydrogen solubility and hydrogen diffusion were investigated. High-pressure hydrogen gas and thermal desorption techniques were used. Increasing dislocation densities were related to a higher hydrogen content and higher nitrogen content related to a lower hydrogen content. Both dislocations and nitrogen had a negligible effect on hydrogen diffusion. The different hydrogen contents in the dislocations and the metal lattice, as well as trapping and diffusion activation energies explained the lack of effect of dislocations on hydrogen solubility.

    本文言語英語
    ページ(範囲)1263-1271
    ページ数9
    ジャーナルInternational Journal of Hydrogen Energy
    44
    2
    DOI
    出版ステータス出版済み - 1 8 2019

    All Science Journal Classification (ASJC) codes

    • Renewable Energy, Sustainability and the Environment
    • Fuel Technology
    • Condensed Matter Physics
    • Energy Engineering and Power Technology

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