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This work aims to predict the elastic modulus of the fiber-reinforced polymer composites. A representative volume element (RVE) of size 420x420x420 micron has been created in Solidworks with 10%, 17%, 27%, 40% and 54% of fiber volume. The fiber of circular, square and hexagonal cross-section has been considered in this analysis. The symmetric boundary conditions have been applied to the representative volume element. It has been observed from the ANSYS that the results are not exactly similar to the rule of mixture. The results are varying with a change in the cross-section of the fiber. It is noticed that the elastic modulus is increased when the cross-section changes from circular to square to a hexagon with all said fiber volume. It is attributed due to increase in fiber-matrix surface area and the adhesion. Surprisingly it observed that in hexagonal and square fiber cross section cases the elastic modulus has decreased after 40% of volume fraction.

Keywords

Polymer Composites, Volume Fraction, Elastic Modulus, Different Cross-Sections.

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References

Jones. R.M. (1999). Mechanics of composite materials (2nd ed.). Taylor and Francis, Philadelphia. ISBN:9781560327127

Barbero, E.J. (2010). Introduction to composite materials design (2nd ed). CRC Press, Boca Raton. ISBN:9781420079166.

Pal, B., & Riyazuddin Haseebuddin, M. (2012). Analytical Estimation of Elastic Properties of Polypropylene Fiber Matrix Composite by Finite Element Analysis. Advances in Materials Physics and Chemistry, 02(01), 23–30. https://doi.org/10.4236/ampc.2012.21004

Green, S. D., Matveev, M. Y., Long, A. C., Ivanov, D., & Hallett, S. R. (2014). Mechanical modelling of 3D woven composites considering realistic unit cell geometry. Composite Structures, 118(1), 284–293. https://doi.org/10.1016/j.compstruct.2014.07.005

Houshyar, S., Shanks, R. A., & Hodzic, A. (2009). Modelling of polypropylene fibre-matrix composites using finite element analysis. Express Polymer Letters, 3(1) ,2–12.https://doi.org/10.3144/expresspolymlett.2009.2

Ionita, A., & Weitsman, Y. J. (2006). On the mechanical response of randomly reinforced chopped-fibers composites: Data and model. Composites Science and Technology, 66(14), 2566–2579. https://doi.org/10.1016/j.compscitech.2006.01.019

Radtke, F. K. F., Simone, A., & Sluys, L. J. (2010). A partition of unity finite element method for obtaining elastic properties of continua with embedded thin fibres. International Journal for Numerical Methods in Engineering, 84(6), 708–732. https://doi.org/10.1002/nme.2916

Radtke, F. K. F., Simone, A., & Sluys, L. J. (2011). A partition of unity finite element method for simulating non-linear debonding and matrix failure in thin fibre composites. International Journal for Numerical Methods in Engineering, 86(4–5), 453– 476. https://doi.org/10.1002/nme.3056

Tian, W., Qi, L., Su, C., Liang, J., & Zhou, J. (2016). Numerical evaluation on mechanical properties of short-fiber-reinforced metal matrix composites: Two-step mean-field homogenization procedure. Composite Structures, 139, 96–103. https://doi.org/10.1016/j.compstruct.2015.11.072

Tian, W., Qi, L., Zhou, J., & Guan, J. (2014). Effects of the fiber orientation and fiber aspect ratio on the tensile strength of Csf/Mg composites. Computational Materials Science, 89, 6–11. https://doi.org/10.1016/j.commatsci.2014.03.004

Tian, W., Qi, L., Zhou, J., Liang, J., & Ma, Y. (2015). Representative volume element for composites reinforced by spatially randomly distributed discontinuous fibers and its applications. Composite Structures, 131, 366–373.https://doi.org/10.1016/j.compstruct.2015.05.014

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