Characterization of Laser-Peened Materials by Synchrotron Radiation and Neutron Diffraction Techniques

DOI Web Site 被引用文献2件 参考文献41件
  • SANO Y.
    Power and Industrial Systems Research and Development Center, Toshiba Corporation, Yokohama 235-8523, Japan
  • OBATA M.
    Power and Industrial Systems Research and Development Center, Toshiba Corporation, Yokohama 235-8523, Japan
  • AKITA K.
    Dept. of Mechanical Systems Engineering, Musashi Institute of Technology, Tokyo 158-8557, Japan
  • MASAKI K.
    Dept. of Mechanical Engineering & Intelligent Systems, University of Electro-Communications, Chofu 182-8585, Japan
  • OCHI Y.
    Dept. of Mechanical Engineering & Intelligent Systems, University of Electro-Communications, Chofu 182-8585, Japan
  • SUZUKI H.
    Quantum Beam Science Directorate, Japan Atomic Energy Agency, Tokai 319-1195, Japan
  • SATO M.
    Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan
  • KAJIWARA K.
    Japan Synchrotron Radiation Research Institute, Sayo 679-5198, Japan

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抄録

The effect of low energy laser peening (LP) without coating has been studied on metallic materials. A highly penetrable neutron beam was used to evaluate the overall distribution of residual stress. Compression in the top surface and its thermal stability were non-destructively confirmed through precise experiments with synchrotron radiation. The three-dimensional (3D) image of fatigue cracks was clearly reconstructed by micro tomography (μCT) with phase contrast technique. It was shown that the growth of the cracks was retarded for the laser-peened materials.

収録刊行物

  • 実験力学

    実験力学 7 (Special_Issue), s61-s67, 2007

    日本実験力学会

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