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Structural Integrity and Durability of Advanced Composites by Alma Hodzic, Constantinos Soutis, Peter Beaumont

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19

Analysis of delamination in laminates with angle-ply matrix cracks

Onset of damage and residual stiffness properties

M. Kashtalyan1,  and C. Soutis2     1University of Aberdeen, Aberdeen, Scotland, UK     2University of Manchester, Manchester, UK

Abstract

The failure process of composite laminate under quasi-static or fatigue loading involves sequential accumulation of intra- and interlaminar cracking. Matrix cracking parallel to the fibres in the off-axis plies is the first damage mode observed. It triggers development of other harmful resin-dominated modes such as delaminations. In this chapter, analytical modelling of crack-induced delaminations in composite laminates subjected to general in-plane loading is presented and discussed. A two-dimensional ...

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