Evaluation of fretting fatigue limit based on local stress at the contact edge

Yoshiyuki Kondo, Chu Sakae, Masanobu Kubota, Tomohiro Nagasue, Shin Ichi Sato

    研究成果: ジャーナルへの寄稿学術誌査読

    3 被引用数 (Scopus)

    抄録

    It was reported previously by the author that the effect of various factors influencing the fretting fatigue limit could be evaluated based on the local stress at the contact edge. In this report, the meaning of the local stress in fretting fatigue was studied. The two-step fatigue test showed that the value of the local stress fatigue limit was nearly the same as the fatigue limit of an edge cracked specimen containing a non-propagating crack formed by the pre-fretting fatigue. The change of stress intensity factor due to the crack growth under fretting fatigue condition was calculated by FEM. The fretting fatigue limit was the condition at which a micro-crack generated by fretting remains as a non-propagating crack. The condition to form a non-propagating crack in fretting fatigue was evaluated on the basis of the threshold condition of short fatigue crack growth.

    本文言語英語
    ページ(範囲)1017-1022
    ページ数6
    ジャーナルZairyo/Journal of the Society of Materials Science, Japan
    51
    9
    DOI
    出版ステータス出版済み - 9月 2002

    !!!All Science Journal Classification (ASJC) codes

    • 材料科学一般
    • 凝縮系物理学
    • 材料力学
    • 機械工学

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