The initiation of transverse matrix cracking and longitudinal matrix cracking in composite cross-ply laminates: Analysis of a damage criterion

The results of stress field distribution in damage cross-ply laminates prompt us to elaborate an energy criterion. This criterion is based on the partial parts's computation of the strain energy release rate associated with each damage type and for all loading modes. In the related criterion, b...

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Bibliographic Details
Published in:Cogent engineering 2016-12, Vol.3 (1), p.1175060
Main Author: Rebiere, Jean-Luc
Format: Article
Language:English
Subjects:
composite laminates
Crack initiation
Cracking (fracturing)
Criteria
Damage
failure criterion
Laminates
longitudinal cracking
Mechanics
Physics
Strain energy release rate
Stress concentration
Stress distribution
transverse cracking
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Summary:The results of stress field distribution in damage cross-ply laminates prompt us to elaborate an energy criterion. This criterion is based on the partial parts's computation of the strain energy release rate associated with each damage type and for all loading modes. In the related criterion, based on the linear fracture approach, several hypotheses are used to simplify the damage criterion. The main objective with this approach is to estimate the onset of transverse and longitudinal cracking mechanisms and the development of the damage. Only results from numerical simulations are proposed for one material; numerous numerical simulations, with other materials and laminate architectures, give similar evolutions of matrix cracking damage.
ISSN:2331-1916
2331-1916
DOI:10.1080/23311916.2016.1175060