1017 炭素繊維強化 LCP 薄肉射出成形品の弾性率予測

概要

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Injection molded thin plate of carbon fiber reinforced liquid crystalline polymer (CF/LCP) has characteristic structure and its resultant unique mechanical properties. In this study, in order to examine the distribution of modulus in thickness direction the injection molded CF/LCP thin plate was fabricated. The modulus was measured with the thin sliced specimen. The bending modulus of molded plate was calculated by laminate beam theory with the modulus of sliced specimen. The calculated bending modulus was compared with experimental result. It was verified that they were well agreement with each other. Next, the fiber orientation was evaluated quantitatively using sliced specimen by an image processing system, and the prediction method of modulus was proposed. The modulus of each sliced specimen was calculated by laminate theory with the fiber length and the fiber orientation states. As a result, the calculated value was compared with experimental results and tendency in the distr8ibution of modulus in thickness direction was agreement with each other.
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