渦流センサを用いた7075Al合金の劣化損傷の検出

  • KASAI Naoya
    Graduate School of Environment and Information Sciences, Yokohama National University
  • SEKINE Kazuyoshi
    Graduate School of Environment and Information Sciences, Yokohama National University
  • KATOH Kimiyasu
    Graduate student, Yokohama National University

書誌事項

タイトル別名
  • The detection of fatigue damage accumulation and hydrogen embrittlement in 7075 alloy by the eddy current method
  • detection of fatigue damage accumulation and hydrogen embrittlement in 7075 alloy by the eddy current method

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抄録

In this study, the detection of fatigue damage accumulation and hydrogen embrittlement in 7075 alloy was confirmed using the eddy current method. Fatigue damage and hydrogen charging were accumulated in notched specimens, and then changes in amplitude and phase were measured in the specimens using eddy current testing. The maximum values of the signals were observed at an area where fatigue damage and hydrogen charging were accumulated. The experimental results correlated with accumulation of fatigue damage and hydrogen charging in the specimens. Therefore, the possibility of using this method for the quantitative evaluation of fatigue damage accumulation and hydrogen embrittlement in aluminum alloys is presented.

収録刊行物

  • 圧力技術

    圧力技術 44 (5), 256-262, 2006

    一般社団法人 日本高圧力技術協会

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