OS2001 CFRTPプレス成形体に発生する強度分布に関する研究 : 顕微ラマン分光法による繊維残留応力評価に基づく検討

書誌事項

タイトル別名
  • OS2001 Local Strength Estimation for Press Formed CFRTP Parts : Accounting for Fiber Residual Stress by Means of Micro-Raman Spectroscopy

抄録

Stamp formed parts of continuous fiber reinforced thermoplastic composites (CFRTP) show local degradation in strength caused by wrinkling and fiber misalignment. In addition those causes, micro damage or residual stresses are supposed to reduce the strength of formed parts. In this study strength of hemispheres formed under various forming conditions was examined. Strength of the hemispheres varied on blank holder forces in spite that fiber alignment was all the same. In order to clarify the reason residual stresses in fibers of formed parts were evaluated by using micro-Raman spectroscopy.

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