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Matrix cracking initiation, propagation and laminate failure in multiple plies of general symmetric composite laminates

Hajikazemi, M.; McCartney, L. N.; Van Paepegem, W. (2020) Matrix cracking initiation, propagation and laminate failure in multiple plies of general symmetric composite laminates. Composites Part A: Applied Science and Manufacturing, 136. 105963 ISSN 1359835X

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Abstract

This paper formulates an analytical model based on intrinsic material properties to predict ply cracking initiation and propagation in multiple plies and its impact on laminate strength in general symmetric laminates (possibly made of thin-plies) under combined triaxial normal loads and in-plane and out-of-plane shear loads while the effect of thermal residual stresses and possible manufacturing defects are considered. To do so, a novel complete homogenization technique combined with recently developed accurate stress transfer models is implemented in conjunction with multi-axial energy-based failure criteria, Monte Carlo type of simulation and a strain-based fiber failure criterion. The model predictions show very good agreement with experimental results.

Item Type: Article
Keywords: Laminates; Damage tolerance; Transverse cracking; Analytical modeling; Thin-ply composites
Subjects: Advanced Materials > Composites
Divisions: Engineering
Identification number/DOI: 10.1016/j.compositesa.2020.105963
Last Modified: 14 Oct 2020 14:26
URI: http://eprintspublications.npl.co.uk/id/eprint/8895

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