Effects of Pre-Stressing on Tensile Strength of CFRP

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  • Kutaragi Kazuma
    Department of Materials Science, School of Engineering, Tokai University
  • Harada Yasuhito
    Department of Materials Science, School of Engineering, Tokai University
  • Tanaka Kazunori
    Department of Metallurgical Engineering, Graduate School of Engineering, Tokai University
  • Nishi Yoshitake
    Department of Materials Science, School of Engineering, Tokai University Department of Metallurgical Engineering, Graduate School of Engineering, Tokai University

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  • ＣＦＲＰの引張強度に及ぼす予荷重効果
  • CFRP ノ ヒッパリ キョウド ニ オヨボス ヨカジュウ コウカ

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Abstract

  In order to strengthen carbon fiber reinforced polymer (CFRP), effects of a pre-stressing on mechanical properties in stress-strain curve of tensile test have been investigated. The pre-stressing remarkably improves the apparent elastic coustant, tensile strengrh and fracture strain. They probably depend on the residual compressive stress induced by the pre-stressing in CFRP.<br>

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