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Report No.
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Evaluation of ductile damage in aluminum single crystal with prior activity of single slip system under tensile loading

Shibano, Junichi*; Kajiwara, Kentaro*; Tsukamoto, Takuya*; kawai, Hirokazu*; Miura, Setsuo*; Zhang, S.*; Shobu, Takahisa 

A ductile damage progress of an aluminum single crystal with the prior activity of the single slip system under tensile loading was verified by a profile analysis using white X-ray obtained in BL28B2 beam line of SPring-8. In profile analysis, an instrumental function was defined in consideration both of a divergence by slits and a response function peculiar to the energy dispersive method. As a result, dislocation density increased as ductile damage progressed, but it was relatively low near the notch. The influence of a release of the strain energy by a ductile damage progress was expected. The characteristics of ductile damage progress near the notch of the aluminum single crystal with a prior activity of a single slip system under the tensile loading were clarified from the distribution of dislocation density.

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