Abstract
To develop a novel method predicting the viscoelastic behavior of polymer matrix composites according to the viscoelasticity of the matrix, we used the viscoelastic model of the matrix to build new models for unidirectional composites in both 0° and 90° directions. Viscoelastic parameters for both new models were derived, and the obtained equations shared the same form as the viscoelastic constitutive equation of matrix material. The viscoelastic behaviors of matrix material and unidirectional composites were also tested. Results showed that fitting parameters of creep compliance equation were close to the theoretical values of viscoelastic constitutive parameters of the unidirectional composites, proving the validity of the models. A new method was obtained to predict the viscoelastic property of the unidirectional composites based on the viscoelastic property of composite matrix and elastic property of the unidirectional composites. This method provides a theoretical basis for future studies on the viscoelasticity of composite laminates.
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Funded by the National High-tech Research and Development Program of China(863 Program)(No.2013AA031306) and Fundamental Research Funds for the Central Universities (No. WUT:2014-Ia-014)
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Zhang, X., Huang, Q., Chen, J. et al. Prediction of viscoelastic behavior of unidirectional polymer matrix composites. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 31, 695–699 (2016). https://doi.org/10.1007/s11595-016-1431-7
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DOI: https://doi.org/10.1007/s11595-016-1431-7