Abstract
An analytical model has been performed to analyze the stress transfer in platelet reinforced composite subjected to both tensile loading and residual thermal stresses. Two sets of the matrix/platelet displacement solutions, which were called respectively as the far-field solution and the transient solution, were exactly derived based on the theory of elasticity. These two sets of the displacement solutions were then superposed to obtain simplified analytical expressions for the matrix/platelet stress field components. The main difference with the previous works here were that the thermal residual stresses were considered in this article. The analytical results obtained here are then validated by the FEM modeling. Interestingly, good agreements are found between the analytical and numerical predictions. Another superiority of the proposed analytical model was in its capability of solving problems with platelet/matrix debonding defect.
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A. M. Fattahi received a B.S. degree in Solid Mechanical Engineering and then went on to receive his M.S. and Ph.D. degrees in aerospace engineering. His research interests are in the area of analytical analysis and Composite mechanics.
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Fattahi, A.M., Moaddab, E. & Bibishahrbanoei, N. Thermo-mechanical stress analysis in platelet reinforced composites with bonded and debonded platelet end. J Mech Sci Technol 29, 2067–2072 (2015). https://doi.org/10.1007/s12206-015-0427-0
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DOI: https://doi.org/10.1007/s12206-015-0427-0