Dual Phase鋼板におけるBauschinger効果の<br>ひずみ速度依存性

書誌事項

タイトル別名
  • Strain Rate Dependence on Bauschinger Effect in Dual Phase Steel Sheet
  • Dual Phase コウハン ニ オケル Bauschinger コウカ ノ ヒズミ ソクド イソンセイ

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抄録

A compression method for sheet metal was developed, and a compression-tension test under high-speed deformation was performed on three kinds of dual-phase steel sheet, such as those with tensile strength grades of 590MPa, 780MPa and 980MPa. Strain rate range was changed from 7.0×10-3[1/s] to 100[1/s]. From the results, the following conclusions were drawn. (1) The dual-phase high-strength steel sheet shows a strain rate dependence on the Bauschinger effect. (2) The strain rate dependence on the Bauschinger effect in the dual-phase steel sheet can be formulated. (3) There is no consistency in the strain rate history dependence on the Bauschinger effect for the dual-phase steel sheet.

収録刊行物

  • 塑性と加工

    塑性と加工 51 (594), 674-679, 2010

    一般社団法人 日本塑性加工学会

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