3419 FRPのショートビームベンド試験における破壊挙動の検討(S15-2 複合材料,S15 先端材料システムの強度・機能評価とメゾメカニックス)

概要

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This paper deals with fracture behavior on Short-beam-bend test of FRP. Mode II interlaminar fracture toughness and interlaminar shear strength are found to have no correlation, despite their in-plane shear stress. It included the examination of fracture behavior and dominant factors of Short-beam-bend test to find out the reason. On the fracture surface of interlaminar shear strength test, hackles and boundary separations and Mode I fracture have been found, whereas only the hackle has been found on the fracture surface of Mode II fracture toughness test. It seemed that Short-beam-bend test is not pure Interlaminar shear faracture test by complicate fractures.
社団法人日本機械学会の論文
2006-09-15