Abstract
In this paper three-phase fiber-reinforced matrix is analyzed using analytical micromechanical model named simplified unit cell method (SUCM). The system consists of transversely isotropic elastic nanotube and viscoelastic matrix and interphase region. This interphase region comprises considerable volume fraction of the system because of large surface area per unit volume of the nanotubes. However, volume fraction of the interphase in particular short fiber system is considerably small to contribute to the whole properties of it. The presented closed-form solutions are able to predict the effective response of the three-phase fiber-reinforced matrix in any combination of normal and shear loading conditions. To verify the results, creep compliance of Graphite/Epoxy in 10° and 45° and 90° off-axis conditions are compared with existing data. Nanotube/Polycarbonate is also examined to investigate the effect of interphase on viscoelastic behaviors of nanocomposites.
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Recommended by Associate Editor HYUNG YIL LEE
Manouchehr Salehi completed his B.Sc. (Hons) in Production Engineering in 1984 and M.Phil. in Mechanical Engineering in 1987 at Leeds Metropolitan University and then moved to Lancaster University where he undertook a comprehensive research program on numerical and experimental analysis of stiffened and unstiffened sector plates towards his Ph.D. degree which he completed in 1990. He then returned to his homeland Iran to take up the position of Assistant Professor in Solid Mechanics at the Mechanical Engineering Department, Amirkabir University of Technology, Tehran Iran in 1990. Dr. Salehi is now Associate Professor in Solid Mechanics at the same University. Dr. Salehi has presented more than sixty papers at International and National conferences and has travelled to twelve countries to present these papers. He has more than forty referred journal publications and two books one on’ Optimization of Composite Structures using Genetic Algorithm’ and the other one on’ Engineering Elasticity’.
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Fatemifar, F., Salehi, M., Adibipoor, R. et al. Three-phase modeling of viscoelastic nanofiber-reinforced matrix. J Mech Sci Technol 28, 1039–1044 (2014). https://doi.org/10.1007/s12206-013-1177-5
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DOI: https://doi.org/10.1007/s12206-013-1177-5