Healing behavior of hydrogen micro pores during cold plastic deformation

Z. A. Shamsudin, H. Toda, M. Kobayashi, K. Koyama, K. Ichitani, Y. Suzuki, K. Uesugi, M. Nakazawa, Y. Aoki

    研究成果: Conference contribution

    抜粋

    The healing behaviors of hydrogen micropores in an Al-Mg alloy during cold plastic deformation was observed using X-ray microtomography. Local strain distribution during deformation was determined by measuring the displacement of artificially dispersed Pb particles. Our result shows that under uniform applied compressive load, the local strain distribution in the sample is significantly inhomogeneous which induces complex healing behaviors of micropores during deformation. The shrinking behavior of micropores can be explained as a function of local compressive strain. Some micropores are re-initiated by heating in position identical to those before their annihilation during plastic working even after large strain has been applied after annihilation. There were no apparent effects of local compressive strain on annihilation and re-initiation behaviors. It can be concluded that application of 60% compressive load used in this study is not sufficient enough to heal the micropores completely.

    元の言語English
    ホスト出版物のタイトルMaterials Science and Technology Conference and Exhibition 2010, MS and T'10
    ページ1031-1036
    ページ数6
    出版物ステータスPublished - 2010 12 1
    イベントMaterials Science and Technology Conference and Exhibition 2010, MS and T'10 - Houston, TX, United States
    継続期間: 2010 10 172010 10 21

    出版物シリーズ

    名前Materials Science and Technology Conference and Exhibition 2010, MS and T'10
    2

    Other

    OtherMaterials Science and Technology Conference and Exhibition 2010, MS and T'10
    United States
    Houston, TX
    期間10/10/1710/10/21

    ASJC Scopus subject areas

    • Materials Science (miscellaneous)

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  • これを引用

    Shamsudin, Z. A., Toda, H., Kobayashi, M., Koyama, K., Ichitani, K., Suzuki, Y., Uesugi, K., Nakazawa, M., & Aoki, Y. (2010). Healing behavior of hydrogen micro pores during cold plastic deformation. : Materials Science and Technology Conference and Exhibition 2010, MS and T'10 (pp. 1031-1036). (Materials Science and Technology Conference and Exhibition 2010, MS and T'10; 巻数 2).