International Journal of Advanced Studies in Computer Science and Engineering

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Effect of geometrical configurations of fiber on the effective properties of unidirectional carbon-fiber/epoxy composite


Affiliations
1 Laboratory of Development in Mechanics and Materials LDMM, University of Djelfa, Djelfa,, Algeria
2 Laboratory of Mechanical Engineering Reliability, University Tahri Mohamed of Bechar,, Algeria
 

Knowing the effective of both mechanical and thermal properties of composite materials allows researchers to improve their behavior and increasing its reliability. In this study, a simplified micromechanical approach is used to modelling and analysis the unidirectional carbon-fiber/epoxy composite performances. The principle objective of this work is to evaluate the effect of the fiber geometrical configurations on the effective mechanical properties and the thermal expansion’s coefficients considering three different geometrical configuration of the fiber. Hence, the unidirectional composite with ellipsoidal fiber is stiffer than others with cylindrical or parallelepipedal fibers. Moreover, the considered configuration wherein the fiber has an ellipsoidal shape leads to lower effective coefficients of thermal expansion corresponding to more cohesion between particles.

Keywords

Effective properties; thermal expansion; geometrical configuration; ellipsoidal fiber.
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Abstract Views: 181

PDF Views: 105




  • Effect of geometrical configurations of fiber on the effective properties of unidirectional carbon-fiber/epoxy composite

Abstract Views: 181  |  PDF Views: 105

Authors

Hadi TAIBI
Laboratory of Development in Mechanics and Materials LDMM, University of Djelfa, Djelfa,, Algeria
Said ZAOUAI
Laboratory of Mechanical Engineering Reliability, University Tahri Mohamed of Bechar,, Algeria
Ameur BENKHEIRA
Laboratory of Development in Mechanics and Materials LDMM, University of Djelfa, Djelfa,, Algeria
M.Riad KIRED
Laboratory of Development in Mechanics and Materials LDMM, University of Djelfa, Djelfa,, Algeria
Mehdi BOUDOUH
Laboratory of Development in Mechanics and Materials LDMM, University of Djelfa, Djelfa,, Algeria

Abstract


Knowing the effective of both mechanical and thermal properties of composite materials allows researchers to improve their behavior and increasing its reliability. In this study, a simplified micromechanical approach is used to modelling and analysis the unidirectional carbon-fiber/epoxy composite performances. The principle objective of this work is to evaluate the effect of the fiber geometrical configurations on the effective mechanical properties and the thermal expansion’s coefficients considering three different geometrical configuration of the fiber. Hence, the unidirectional composite with ellipsoidal fiber is stiffer than others with cylindrical or parallelepipedal fibers. Moreover, the considered configuration wherein the fiber has an ellipsoidal shape leads to lower effective coefficients of thermal expansion corresponding to more cohesion between particles.

Keywords


Effective properties; thermal expansion; geometrical configuration; ellipsoidal fiber.

References