高周波超音波を用いた薄鋼板のひずみ分布評価

書誌事項

タイトル別名
  • Evaluation of Strain Distribution of Steel Sheet Using High-Frequency Ultrasonic Wave
  • コウシュウハ チョウオンパ オ モチイタ ウスコウハン ノ ヒズミ ブンプ ヒョウカ

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抄録

<p>We studied a method of evaluating the strain distribution of a steel sheet after forming, using high-frequency ultrasonic wave. We used JIS No.5 test pieces which applied arbitrary strain with 590 MPa class steel and 980 MPa class steel. The longitudinal wave sound velocity in the material was measured using high-frequency ultrasonic wave, visualization of the strain received by the material was found to be possible. It was found that there is a correlation between the amount of strain added to the material and the increase in sound velocity.</p>

収録刊行物

  • 塑性と加工

    塑性と加工 59 (689), 95-100, 2018

    一般社団法人 日本塑性加工学会

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