Determination of pure mode-I fracture toughness of multidirectional composite DCB specimens
Engineering Fracture Mechanics(2021)
摘要
•How DCB specimen parameters effect the width-wise distribution of GI.•A new method to determine the fracture toughness of multidirectional DCB specimen.•The non-uniformity ratio varies linearly with unidirectional specimen's constant Dc.•The evolution of non-uniformity ratio with the specimen width appears exponential.
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关键词
Multidirectional DCB specimen,Composite,Mode I fracture toughness,Width-wise distribution of SERR
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