ＣＦＲＰ一方向材とエポキシ樹脂の低温における強度と弾性係数

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タイトル別名
  • Strength and Elastic Moduli of Unidirectional CFRP and Epoxy Resin at Low Temperature
  • CFRP 1ホウコウザイ ト エポキシ ジュシ ノ テイオン ニ オケル キョ

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Tensile and bending tests were conducted for Epoxy and unidirectional CFRP specimens set in a cryostat using liquid nitrogen. The agreement between experimental and calculated results of the elastic moduli of CFRP-UD was very good. As the basic data, tensile and bending strengths were obtained for 3130-Epoxy resin. Because of some experimental difficulties, the tensile strengths were scattered widely and very small. The bending strengths tending upward at low temperature were employed as computational input data. The calculated transverse strengths of CFRP-UD based on the author's analysis were in a considerably good agreement with the experimental results. It should be noted that not only the transverse but longitudinal strengths of CFRP-UD were nearly independent of the temperature in the present range.

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