連続炭素繊維強化PA6のV曲げ成形時における変形挙動および機械的特性評価

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  • Characterization of Deformation Behavior and Mechanical Properties for Continuous Carbon Fiber Reinforced PA6 during V-Shape Bending

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<p>In this paper, to investigate the mechanical properties of V-shaped carbon fiber reinforced thermoplastics (CFRTP), four-point bending tests and step-by-step interrupted four-point bending tests were conducted. The test was carried out using similar testing tool to ASTM D 6415. Also, in order to evaluate the validity of CFRTP, it was compared with V-shaped carbon fiber reinforced thermosetting plastics (CFRTS) molded vacuum-assisted resin transferred molding (VaRTM).V-shaped CFRTP were molded with a bending-type V-shaped mold which has an angle of 90°. CFRTP studied was plain woven carbon fabric reinforced polyamide 6 (PA6). Pre-consolidated laminates were preheated above the melting temperature of PA6 and then pressed after transferred to the V-shaped mold. CFRTS studied was compounded of plain woven carbon fabric as the same used CFRTP and epoxy polymer. As a result, in the case of CFRTP, it was suggested that the difference in the damage process occur with changes in molding temperature. Also, the difference of interlaminar tensile strength and the damage modes between CFRTP and CFRTS was observed.</p>

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