2019
DOI: 10.1002/pc.25409
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Estimation of dynamic thermo viscoelastic moduli of short fiber‐reinforced polymers based on a micromechanical model considering interphases/interfaces conditions

Abstract: A novel three-dimensional micromechanical model describing frequency-and temperature-dependent viscoelastic behavior of short fiber-reinforced polymers (SFRPs) with graded interphase and slightly weakened interfaces are established. Elastic-viscoelastic correspondence approach, time-temperature superposition principle and Rao and Dai's (Compos. Struct. 2017; 168: 440) modification on the calculation of interface damage tensors are applied for dynamic thermo viscoelasticity prediction of the composite with the … Show more

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Cited by 30 publications
(21 citation statements)
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“…The Rayleigh-Ritz method is employed to solve the governing equations, with the assumed form for the unknowns satisfying the boundary conditions (27)…”
Section: Solution Methodsmentioning
confidence: 99%
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“…The Rayleigh-Ritz method is employed to solve the governing equations, with the assumed form for the unknowns satisfying the boundary conditions (27)…”
Section: Solution Methodsmentioning
confidence: 99%
“…They studied the effects of the thickness of the interphase layer on the equivalent properties of polymer nanocomposites. In addition to computational homogenization‐based multiscale methods, analytical micromechanical methods are also employed to study overall behavior of the nanocomposites 22,26,27 . Yu et al 28 used the micromechanical Mori‐Tanaka method to obtain the effective mechanical properties of nano‐fiber reinforced composites.…”
Section: Introductionmentioning
confidence: 99%
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“…Therefore, an interphase zone is created in nanocomposites (between polymer and nanofiller), which has dissimilar properties compared to neat polymer and nanoparticles. [26,[31][32][33][34] There are many papers studying the interphase properties such as thickness and power in various nanocomposites. [35][36][37][38][39][40][41][42][43] All these papers have mentioned the reinforcing efficiency of interphase section in nanocomposite samples.…”
Section: Introductionmentioning
confidence: 99%
“…[20] Dai et al established a micromechanical model about the viscoelastic behavior of SFRPs considering the interfacial properties. [23] To date, there is few literature on studying the effect of temperature on the UTS of SFPCs by theoretical methods. Li et al in our group developed a TDUTS model by accounting the influence of fiber length, orientation, and residual thermal stress.…”
Section: Introductionmentioning
confidence: 99%