On crack-initiation conditions for Mode I and Mode II delarnation testing of composite materials
An investigation of the influence of pre-crack conditions on the fracture behavior of a unidirectional vinyl-ester/E-glass composite has been undertaken. For this investigation, recommendations from three different testing standards for preparing double-cantilever beam (DCB) specimens were followed. For this purpose two sets of specimens were tested: a set of specimens with a blunt starter crack and the one with a fatigue pre-crack (i.e. sharp). The two sets of specimens exhibited similar...[Show more]
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|Source:||Composites Science and Technology|
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