100 CFRP積層板の非主軸層における微視的損傷進展の評価(OS 高分子及び高分子複合材料)

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  • 100 Characterization of Matrix Crack Progress in Off-Axis Ply of CFRP Laminates

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For the [±θ]_S and [θ]_4 (θ=15, 30, 45, 60, 75°) CFRP laminates, Microscopic damage behavior in off-axis ply under tensile loading was investigated. Growth of matrix cracks were observed by optical microscopy, by soft X-ray radiography and by replica method. It is confirmed that damages in each angle-ply laminate progress and that crack growth behavior in unidirectional laminate was corresponding to in angle-ply laminates.

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