Influence of Interlayer Defects on the Effective Elastic Properties of Cross-Ply Composites

The problem of the effective elastic properties of a fiber-reinforced cross-ply composite material and imperfect contact between plies with orthogonal fiber directions is considered. The imperfect contact is modeled by a porous isotropic interlayer that is in perfect contacts with the plies. The sto...

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Bibliographic Details
Published inInternational applied mechanics Vol. 56; no. 6; pp. 653 - 665
Main Author Khoroshun, L. P.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.11.2020
Springer
Springer Nature B.V
Subjects
Applications of Mathematics
Composite materials
Defects
Elastic properties
Engineering
Fiber composites
Interlayers
Laminar composites
Laminated materials
Laminates
Layers
Oriented fiber composites
effective elastic properties
fiber-reinforced laminate
stochastic composite
porous interlayers
imperfect contact
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Summary:The problem of the effective elastic properties of a fiber-reinforced cross-ply composite material and imperfect contact between plies with orthogonal fiber directions is considered. The imperfect contact is modeled by a porous isotropic interlayer that is in perfect contacts with the plies. The stochastic equations of elasticity for unidirectional fibrous and laminated composites are used. The problem is solved in two stages: (i) prediction of the effective properties of a unidirectional fiber composite from the given properties of the fibers and matrix and (ii) prediction of the effective properties of the laminated composite from the known properties of the plies. The effect of interlayer defects on the effective elastic properties of a fiber-reinforced laminate is studied.
ISSN:1063-7095
1573-8582
DOI:10.1007/s10778-021-01042-0