The Proceedings of The Computational Mechanics Conference
Online ISSN : 2424-2799
2000.13
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Fracture toughness of CT specimen bonded by a rubber modified epoxy adhesive
Makoto IMANAKAYoshinobu NAKAMURAAtushi NISHIMURATakeo IIDA
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 351-352

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Abstract
Recently, the fracture toughness of rubber modified epoxy adhesives has been actively investigated using adhesively-bonded DCB and CT specimens. There are few studies investigating crack propagation resistance, though stable crack propagation has been observed in many rubber modified adhesives. However, in most studies the energy release rate was calculated based on the maximum load and initial crack length. In this study, J-integration tests were conducted to evaluate crack propagation resistance using CT specimen bonded by a rubber modified epoxy adhesive, where J_<1c>was evaluated based on the R-curve.
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© 2000 The Japan Society of Mechanical Engineers
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