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Influence of Up- and Down-Cutting Process on Interlaminar Shear Strength of CFRP Plates (abstract only)

K. Hara, T. Uchida, Y. Watanabe, Y. Urashima, N. Nanami, K. Kuroda, H. Hamada, A. Goto, H. Nakatani


Surface damage often occurs in the vicinity of the surface layers of a CFRP plate during the trimming process. Since the surface damage degrades with an increasing feed rate of a milling machine, trimming quality issues cannot be neglected in high-cycle manufacturing processes. We previously reported that damages on the cutting surfaces of the specimen reduce its interlaminar shear strength. In this study, we investigate the influence of up- and down cutting process on interlaminar shear strength of CFRP plates. We prepared the specimens processed at three kinds of cutting speeds respectively using up- and down cutting, and interlaminar shear tests with the specimens were performed.


CF/Epoxy, interlaminar shear failure, up cutting, down cuttingText

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