PS23 一方向CFRPの非主軸切欠強度の同定と異方切欠寸法効果則の定式化(フェロー賞対象ポスターセッション)

概要

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Off-axis notched strength of a unidirectional CFRP laminate and its fiber orientation and loading mode dependence have been studied. Development of a new engineering method for predicting the off-axis notched strengths in tension and compression is also attempted. Static tension and compression tests were canied out on center hole (CH) specimens with different hole diameters and different fiber orientations. The off-axis tensile and compressive notched strengths are compared to elucidate the loading mode dependence. An anisoiropic notch size effect law that takes into account both the effects of fiber orientation and notch size was proposed. Validity of the anisotropic notch size effect law was evaluated by comparing the predicted and observed off-axis notched strengths in tension and compression.
一般社団法人日本機械学会の論文
2010-10-09