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Journal of Failure Analysis and Prevention

, Volume 17, Issue 5, pp 935–941 | Cite as

Effect of Thermo-Mechanical Gradient on the Damage Mechanisms of Composite Laminates

  • Meryem El Moufari
  • Larbi El Bakkali
Technical Article---Peer-Reviewed
  • 75 Downloads

Abstract

The main purpose of this work is to characterize and discriminate the respective roles of the thermo-mechanical gradient in the damage mechanisms of composite laminates used in aeronautics in order to understand the initiation and evolution of damage modes. For this purpose, a finite element model of compact tension specimen with a series of virtual crack closure techniques is achieved in order to evaluate the energy release rate of transverse matrix cracking in composites. The continuum mechanics approach in combination with Hashin’s damage criterion is adopted to describe initiation and evolution for each damage mode proposed for carbon/epoxy laminates. The good agreement between the numerical results and experiments in other available literature shows the validation of the analysis and developed model in this paper.

Keywords

Composite laminates Continuum mechanics Thermo-mechanical loading Finite element analysis 

Notes

Acknowledgments

The authors would like to acknowledge gratefully Dr. Zitouni AZARI of Laboratory of Biomechanics, Polymers and Structures, National School of Engineers of Metz (ENIM), France for help, encouragement and the useful discussions to perform the work.

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Copyright information

© ASM International 2017

Authors and Affiliations

  1. 1.Modeling and Simulation of Mechanical Systems Laboratory, Faculty of ScienceAbdelmalek Essaadi UniversityTetouanMorocco

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