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Model for moisture absorption in cross-ply composite laminates with matrix cracks

Lundgren, J.E. / Gudmundson, P.

A homogenized analytic model for average moisture uptake in composite laminates containing periodically distributed matrix-cracks is presented. It is shown that the model, compared to FE-calculations, well describes moisture absorption in a cross-ply composite laminate containing periodically distributed transverse matrix cracks in the 90 degree plies. The homogenized model is based on a two-phase model consisting of the crack channels and the composite material respectively. An analytic solution to the two-phase model for moisture uptake in composite laminates is presented. The model can be used to judge whether micro cracks are of importance or not concerning moisture absorption.

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Model for moisture absorption in cross-ply composite laminates with matrix cracks

Lundgren, J.E. / Gudmundson, P.

A homogenized analytic model for average moisture uptake in composite laminates containing periodically distributed matrix-cracks is presented. It is shown that the model, compared to FE-calculations, well describes moisture absorption in a cross-ply composite laminate containing periodically distributed transverse matrix cracks in the 90 degree plies. The homogenized model is based on a two-phase model consisting of the crack channels and the composite material respectively. An analytic solution to the two-phase model for moisture uptake in composite laminates is presented. The model can be used to judge whether micro cracks are of importance or not concerning moisture absorption.

Model for moisture absorption in cross-ply composite laminates with matrix cracks

Lundgren, J.E. / Gudmundson, P.

A homogenized analytic model for average moisture uptake in composite laminates containing periodically distributed matrix-cracks is presented. It is shown that the model, compared to FE-calculations, well describes moisture absorption in a cross-ply composite laminate containing periodically distributed transverse matrix cracks in the 90 degree plies. The homogenized model is based on a two-phase model consisting of the crack channels and the composite material respectively. An analytic solution to the two-phase model for moisture uptake in composite laminates is presented. The model can be used to judge whether micro cracks are of importance or not concerning moisture absorption.

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Title:

Model for moisture absorption in cross-ply composite laminates with matrix cracks

Contributors:

Lundgren, J.E. (author) / Gudmundson, P. (author)

Published in:

Journal of Composite Materials ; 32 ; 2226-2253

Publication date:

1998

Size:

28 Seiten, 18 Quellen

ISSN:

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

mathematisches Modell , Feuchte , Finite-Elemente-Methode , Schichtwerkstoff , Rissverlauf , Feuchteaufnahme , Oberflächenriss

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