Translaminar fracture toughness testing of composites: A review

A comprehensive review of techniques for the experimental characterisation of the fracture toughness associated with the translaminar (fibre-breaking) failure modes of continuously reinforced laminated composites is presented. The collection of work relating to tensile failure reveals a varied appro...

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Bibliographic Details
Published in:Polymer testing 2012-05, Vol.31 (3), p.481-489
Main Authors: Laffan, M.J., Pinho, S.T., Robinson, P., McMillan, A.J.
Format: Article
Language:English
Subjects:
Best practice
Collection
Composite
Continuous fiber composites
Damage tolerance
Data reduction
Failure
Failure modes
Fracture toughness
Notch
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Description
Summary:A comprehensive review of techniques for the experimental characterisation of the fracture toughness associated with the translaminar (fibre-breaking) failure modes of continuously reinforced laminated composites is presented. The collection of work relating to tensile failure reveals a varied approach in terms of specimen configuration, size and data reduction, despite the existence of an ASTM standard. Best practices are identified and suggestions for extending the scope of the current standard are made. Works on compressive failure are found to be less comprehensive. Measurement of the toughness associated with initiation of the failure mode in isolation has been achieved, but this review finds that significant research steps need to be taken before a resistance curve can be fully characterised.
ISSN:0142-9418
1873-2348
DOI:10.1016/j.polymertesting.2012.01.002