Delamination growth behavior of a fabric reinforced laminated composite under Mode I fatigue
Article Abstract:
The delamination growth behavior of a glass fabric reinforced laminated composite under Mode I fatigue loading was investigated. In addition, the applicability of a new fatigue crack growth rate model to this material was examined. Double cantilever beam specimens were subjected to tension-tension cyclic loads with three different load ratios and the delamination growth rate was measured using the compliance method. The results showed that the new model represented delamination growth rate of the fabric reinforced laminated composite at three different load ratios in single curve.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1999
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Delamination in thickness tapered composite laminates
Article Abstract:
The onset of delamination growth in tapered laminates with discontinuous internal plies are investigated. An analytical plate model, based on the shear deformation plate theory, and a numerical model are used to determine the Mode I and Mode II strain components of the energy release rate associated with the delamination tips. The predictions of the model are then validated through experimental procedures. Results obtained from the application of the analytical and numerical models show excellent agreement with experimental data.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1993
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Laminate delamination due to thermal gradients
Article Abstract:
A fail safe criterion for the steady state analyses of flow induced delamination of orthotropic laminates under through-thickness thermal gradients holds accurate for crack sizes of nearly one laminate thickness. A crack-like surface damage obstructs heat transfer into the laminate and generates thermal stresses and stress intensities at the crack tip. The implications for obtaining closed form solutions of significant generality are discussed.
Publication Name: Journal of Engineering Materials and Technology
Subject: Science and technology
ISSN: 0094-4289
Year: 1995
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