Micromechanical modeling of 8-harness satin weave glass fiber-reinforced composites.
AffiliationCapital University of Sciences and Technology
University of Manchester
National University of Science and Technology
Khalifa University of Science and Technology
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AbstractThis study introduces a unit cell (UC) based finite element (FE) micromechanical model that accounts for correct post cure fabric geometry, in-situ material properties and void content within the composite to accurately predict the effective elastic orthotropic properties of 8-harness satin weave glass fiber reinforced phenolic (GFRP) composites. The micromechanical model utilizes a correct post cure internal architecture of weave, which was obtained through X-ray microtomography (XMT) tests. Moreover, it utilizes an analytical expression to up-date the input material properties to account for in-situ effects of resin distribution within yarn (the yarn volume fraction) and void content on yarn and matrix properties. This is generally not considered in modeling approaches available in literature and in particular, it has not been demonstrated before for FE micromechanics models of 8-harness satin weave composites. The UC method is used to obtain the effective responses by applying periodic boundary conditions. The outcome of the analysis based on the proposed model is validated through experiments. After validation, the micromechanical model was further utilized to predict the unknown effective properties of the same composite.
CitationChoudhry, R. S. et al (2016) 'Micromechanical modeling of 8-harness satin weave glass fiber-reinforced composites', Journal of Composite Materials, 51 (5):705.
JournalJournal of Composite Materials
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