J042052 時間反転法を用いたアルミニウム材の塑性変形の検出([J04205]超音波計測・解析法の新展開(5))

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概要

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• The time reversed method was evaluated with applying to lamb waves propagating in an aluminum plate. Though the detected and re-constructed waves contained some reflected waves, the waveform of re-constructed wave agreed with a source input signal. Next, the time reversed method was applied to tensile test of an aluminum specimen. Macroscopic crack generations could be detected by amplitude changes of either detected or re-constructed waves. But, only the amplitude of re-constructed wave decreased by beginning of the plastic deformation. Therefore, it showed that this method can detect the plastic deformation.

• 一般社団法人日本機械学会の論文
• 2011-09-11

著者

• 林 康久

  静岡大学

• 加納 慎也

  静岡大学工学部

関連論文

• J042052 時間反転法を用いたアルミニウム材の塑性変形の検出([J04205]超音波計測・解析法の新展開(5))

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