Analytical/experimental study of cracking in composite laminates under biaxial loading

I. M. Daniel; C. L. Tsai

doi:10.1016/0961-9526(91)90040-Y

Analytical/experimental study of cracking in composite laminates under biaxial loading

I. M. Daniel^*, C. L. Tsai

^*Corresponding author for this work

Civil and Environmental Engineering

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

13 Scopus citations

Abstract

An interlaminar-shear-stress analysis was developed for deformation and progressive damage in biaxially-loaded bidirectional three-layer composite laminates. The special cases of a crossply laminate under biaxial normal loading and shear loading discussed previously were combined (Tsai and Daniel, 1992a, b, Int. J. Solids Structures (submitted); Tsai et al., 1990, in Microcracking-induced Damage in Composites (Edited by G. J. Dvorak and D. C. Lagoudas), AMD-Vol. 111, MD-Vol. 22. ASME, New York). The model gives closed-form solutions for stress distributions, crack densities and reduced stiffness of the damaged layers and the laminate. The model was partially verified by conducting off-axis uniaxial tensile tests of [ 0 90₂]_s crossply laminates. The stress-strain behavior, matrix cracking and the variation of engineering constants with matrix cracking were predicted and verified experimentally.

Original language	English (US)
Pages (from-to)	355-359,361-362
Journal	Composites Engineering
Volume	1
Issue number	6
DOIs	https://doi.org/10.1016/0961-9526(91)90040-Y
State	Published - 1991

Funding

Acknowledgemen&-The work described here was sponsored by the Office of Naval Research (ONR). We are grateful to Dr Yapa Rajapakse of ONR for his encouragement and cooperation and to Mrs Yolande Mallian for typing the manuscript.

ASJC Scopus subject areas

General Engineering

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10.1016/0961-9526(91)90040-Y

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title = "Analytical/experimental study of cracking in composite laminates under biaxial loading",

abstract = "An interlaminar-shear-stress analysis was developed for deformation and progressive damage in biaxially-loaded bidirectional three-layer composite laminates. The special cases of a crossply laminate under biaxial normal loading and shear loading discussed previously were combined (Tsai and Daniel, 1992a, b, Int. J. Solids Structures (submitted); Tsai et al., 1990, in Microcracking-induced Damage in Composites (Edited by G. J. Dvorak and D. C. Lagoudas), AMD-Vol. 111, MD-Vol. 22. ASME, New York). The model gives closed-form solutions for stress distributions, crack densities and reduced stiffness of the damaged layers and the laminate. The model was partially verified by conducting off-axis uniaxial tensile tests of [ 0 902]s crossply laminates. The stress-strain behavior, matrix cracking and the variation of engineering constants with matrix cracking were predicted and verified experimentally.",

author = "Daniel, {I. M.} and Tsai, {C. L.}",

note = "Funding Information: Acknowledgemen&-The work described here was sponsored by the Office of Naval Research (ONR). We are grateful to Dr Yapa Rajapakse of ONR for his encouragement and cooperation and to Mrs Yolande Mallian for typing the manuscript.",

year = "1991",

doi = "10.1016/0961-9526(91)90040-Y",

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AU - Daniel, I. M.

AU - Tsai, C. L.

N1 - Funding Information: Acknowledgemen&-The work described here was sponsored by the Office of Naval Research (ONR). We are grateful to Dr Yapa Rajapakse of ONR for his encouragement and cooperation and to Mrs Yolande Mallian for typing the manuscript.

PY - 1991

Y1 - 1991

N2 - An interlaminar-shear-stress analysis was developed for deformation and progressive damage in biaxially-loaded bidirectional three-layer composite laminates. The special cases of a crossply laminate under biaxial normal loading and shear loading discussed previously were combined (Tsai and Daniel, 1992a, b, Int. J. Solids Structures (submitted); Tsai et al., 1990, in Microcracking-induced Damage in Composites (Edited by G. J. Dvorak and D. C. Lagoudas), AMD-Vol. 111, MD-Vol. 22. ASME, New York). The model gives closed-form solutions for stress distributions, crack densities and reduced stiffness of the damaged layers and the laminate. The model was partially verified by conducting off-axis uniaxial tensile tests of [ 0 902]s crossply laminates. The stress-strain behavior, matrix cracking and the variation of engineering constants with matrix cracking were predicted and verified experimentally.

AB - An interlaminar-shear-stress analysis was developed for deformation and progressive damage in biaxially-loaded bidirectional three-layer composite laminates. The special cases of a crossply laminate under biaxial normal loading and shear loading discussed previously were combined (Tsai and Daniel, 1992a, b, Int. J. Solids Structures (submitted); Tsai et al., 1990, in Microcracking-induced Damage in Composites (Edited by G. J. Dvorak and D. C. Lagoudas), AMD-Vol. 111, MD-Vol. 22. ASME, New York). The model gives closed-form solutions for stress distributions, crack densities and reduced stiffness of the damaged layers and the laminate. The model was partially verified by conducting off-axis uniaxial tensile tests of [ 0 902]s crossply laminates. The stress-strain behavior, matrix cracking and the variation of engineering constants with matrix cracking were predicted and verified experimentally.

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JO - Composites Engineering

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ER -

Analytical/experimental study of cracking in composite laminates under biaxial loading

Abstract

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ASJC Scopus subject areas

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