Dynamic crack growth under stress wave loading |
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| Authors: | H. Homma T. Ushiro H. Nakazawa |
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| Affiliation: | Department of Physical Engineering, Tokyo Institute of Technology, Ohokayama, Meguro-ku, Tokyo, Japan |
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| Abstract: | The crack growth process has been analysed on the basis of a fracture criterion of a dynamic stress intensity factor when a crack in an infinite plate was subjected to a pulse type of stress wave. The crack velocity and the amount of crack extension were related to the constant amplitude and the duration of the stress pulse. The calculated amount of crack extension was well in agreement with the experimental one for the polymer material Acrylite (which is similar to polymethylmethacrylate) found by the authors, thus indicating the validity of the present approach. |
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