✦ LIBER ✦

Finite element modelling of interfacial failure in model carbon fibre-epoxy composites

✍ Scribed by R. B. Nath; D. N. Fenner; C. Galiotis

Publisher: Springer
Year: 1996
Tongue: English
Weight: 472 KB
Volume: 31
Category: Article
ISSN: 0022-2461
DOI: 10.1007/bf00355996

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✦ Synopsis

Finite element analysis has been used to model a single unsized carbon fibre embedded in an epoxy matrix subjected to tensile loading. The predicted fibre strain distribution is compared with experimental data, obtained using the technique of laser Raman spectroscopy, for a number of incremental applied strain levels. Good correlation is obtained on the assumption that the prevailing mode of interfacial failure in the composite involves a conical matrix crack initiating at the fibre end. The geometry of the matrix crack is estimated on the assumption that the crack propagates in a self-similar manner.

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