Compressive Response of Kevlar/Epoxy Composites

Compressive Response of Kevlar/Epoxy Composites

A mathematical model is developed from the principle of minimum potential energy to determine the longitudinal compressive response of unidirectional fiber composites. A theoretical study based on this model is conducted to assess the influence of local fiber misalignment and the nonlinear shear def...

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Veröffentlicht in:J. Compos. Mater.; (United States) 1988-03, Vol.22 (3), p.245-257
Hauptverfasser: Yeh, J.R., Teply, J.L.
Format: Artikel
Sprache:eng
Schlagworte:
360603 - Materials- Properties
Applied sciences
ARAMIDS
COMPARATIVE EVALUATIONS
COMPOSITE MATERIALS
COMPRESSION STRENGTH
compressive strength
DEFORMATION
ENERGY
EPOXIDES
epoxy resins
Exact sciences and technology
FIBERS
Forms of application and semi-finished materials
MATERIALS
MATERIALS SCIENCE
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
PETROCHEMICALS
PETROLEUM PRODUCTS
PLASTICS
Polymer industry, paints, wood
POTENTIAL ENERGY
Reinforced plastics
SHEAR PROPERTIES
SYNTHETIC MATERIALS
Technology of polymers
YOUNG MODULUS
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Beschreibung
Zusammenfassung:A mathematical model is developed from the principle of minimum potential energy to determine the longitudinal compressive response of unidirectional fiber composites. A theoretical study based on this model is conducted to assess the influence of local fiber misalignment and the nonlinear shear deformation of the matrix. Numerical results are compared with experiments to verify this study; it appears that the predicted compressive response coincides well with experimental results. It is also shown that the compressive strength of Kevlar/epoxy is dominated by local shear failure.
ISSN:0021-9983
1530-793X
DOI:10.1177/002199838802200303