Hygrothermal degradation of elastic properties of fiber reinforced composites: A micro-scale finite element analysis

In this paper, the effect of hygrothermal conditions on elastic properties of polymeric composite materials is investigated by the finite element method. A micromechanical degradation model is developed based on Fick’s second law utilizing an ABAQUS python scripting micro modeling (APSMM) and an ABA...

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Veröffentlicht in:Composite structures Jg. 266; S. 113819
Hauptverfasser: Gholami, Meghdad, Afrasiab, Hamed, Baghestani, Ali Mohammad, Fathi, Alireza
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Elsevier Ltd 15.06.2021
Schlagworte:
Composite materials
Degradation of elastic properties
Finite element method
Hygrothermal conditions
Micromechanics
Hygrothermal conditions
Finite element method
Micromechanics
Composite materials
Degradation of elastic properties
ISSN:0263-8223, 1879-1085
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Zusammenfassung:In this paper, the effect of hygrothermal conditions on elastic properties of polymeric composite materials is investigated by the finite element method. A micromechanical degradation model is developed based on Fick’s second law utilizing an ABAQUS python scripting micro modeling (APSMM) and an ABAQUS parallel finite element analysis (APFEA). The APSMM algorithm is used to study the degradation of elastic constants of a fiber-reinforced polymeric composite (AS/3501–5) under specific hygrothermal conditions, while, the APFEA scheme is employed to solve the problem under time-dependent (transient) hygrothermal conditions. The results are verified against available experimental data. The main advantage of the proposed methods is that by experimentally determining the composite material properties only at one particular temperature and humidity condition, these properties can be obtained after any time of exposure to constant or time-varying hygrothermal conditions. Furthermore, these methods can be extended to analyze different types of composites with any kind of material and/or construction.
ISSN:0263-8223
1879-1085
DOI:10.1016/j.compstruct.2021.113819