Strain energy release rate for off-axis ply cracking in laminates composites

Maria Kashtalyan; C. Soutis

doi:10.1023/A:1022610402864

Strain energy release rate for off-axis ply cracking in laminates composites

Maria Kashtalyan, C. Soutis

Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Strain energy release rate associated with matrix cracking in the θ- layer of unbalanced symmetric [0/θ], composite laminate is predicted analytically using a 2-D shear lag stress analysis and the Equivalent Constraint Model (ECM). Its dependence on the crack density and ply orientation angle is examined for glass/epoxy and carbon/epoxy laminates. Suitability of a mixed mode fracture criterion to predict the cracking onset strain is discussed.

Original language	English
Pages (from-to)	L3-L8
Number of pages	6
Journal	International Journal of Fracture
Volume	112
Issue number	2
DOIs	https://doi.org/10.1023/A:1022610402864
Publication status	Published - Nov 2001

Keywords

Mechanical Engineer
Civil Engineer
Energy Release Rate
Stress Analysis
Mode Fracture

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Cite this

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title = "Strain energy release rate for off-axis ply cracking in laminates composites",

abstract = "Strain energy release rate associated with matrix cracking in the θ- layer of unbalanced symmetric [0/θ], composite laminate is predicted analytically using a 2-D shear lag stress analysis and the Equivalent Constraint Model (ECM). Its dependence on the crack density and ply orientation angle is examined for glass/epoxy and carbon/epoxy laminates. Suitability of a mixed mode fracture criterion to predict the cracking onset strain is discussed.",

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author = "Maria Kashtalyan and C. Soutis",

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AU - Soutis, C.

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AB - Strain energy release rate associated with matrix cracking in the θ- layer of unbalanced symmetric [0/θ], composite laminate is predicted analytically using a 2-D shear lag stress analysis and the Equivalent Constraint Model (ECM). Its dependence on the crack density and ply orientation angle is examined for glass/epoxy and carbon/epoxy laminates. Suitability of a mixed mode fracture criterion to predict the cracking onset strain is discussed.

KW - Mechanical Engineer

KW - Civil Engineer

KW - Energy Release Rate

KW - Stress Analysis

KW - Mode Fracture

U2 - 10.1023/A:1022610402864

DO - 10.1023/A:1022610402864

M3 - Article

VL - 112

SP - L3-L8

JO - International Journal of Fracture

JF - International Journal of Fracture

SN - 0376-9429

IS - 2

ER -

Strain energy release rate for off-axis ply cracking in laminates composites

Abstract

Keywords

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