炭素繊維強化PEEKの繊維体積含有率および樹脂の結晶化度を考慮したクリープ解析

書誌事項

タイトル別名
  • Creep Analysis Considering Fiber Volume Fraction and Crystallinity and of Carbon Fiber Reinforced Poly (ether-ether-ketone)
  • タンソ センイ キョウカ PEEK ノ センイ タイセキ ガンユウリツ オヨビ ジュシ ノ ケッショウカド オ コウリョ シタ クリープ カイセキ

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説明

The Poly (ether-ether-ketone) (PEEK) resin is a kind of super engineering thermoplastics, and has good mechanical properties and high heat resistance. Recently it has been used for the matrix of Carbon Fiber Reinforced Plastics (CFRP) as a substitute material for thermosetting plastics at high temperature because of its fine moldability. For such occasion, it is very important for reliability of these materials to reveal the visco-elastic behavior of polymer materials. In this study, linearity for creep behavior of PEEK and CFRPEEKs were discussed, and the relationship between time and temperature, fiber volume fractions and crystallinity was revealed.<br>   Bending creep tests were performed on the crystallized PEEK resin and its CFRPs. It was found that master curves of creep compliance were obtained, and the Arrhenius type time -temperature superposition principle was applied for crystallized PEEK resin and its crystallized CFRPs. Effects of crystallinity and fiber volume fractions on creep behavior were considered by making grand master curves and great grand master curve.Great grand master curve and the shift factors for making great grand master curve were approximated with prony-series equation and quadratic expressions. Using these equations, the creep analyses were carried out. The results have a good agreement with the experimental data. And the estimation data was determined with great accuracy.

収録刊行物

  • 実験力学

    実験力学 12 (2), 94-100, 2012

    日本実験力学会

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