Structural Engineering and Mechanics

Techno-Press (테크노프레스)
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Delamination of a composite laminated under monotonic loading

  • Achache, Habib (Department of Materials Engineering, University Dr Yahia Fares of Medea) ;
  • Benzerdjeb, Abdelouahab (Department of Mechanical Engineering University of Science and Technology Oran Mohammed Boudiaf (USTO)) ;
  • Mehidi, Abdelkader (Laboratory of Mechanical and Physical of Materials (LMPM), University Djillali Liabes of Sidi Bel Abbes) ;
  • Boutabout, Benali (Laboratory of Mechanical and Physical of Materials (LMPM), University Djillali Liabes of Sidi Bel Abbes) ;
  • Ouinas, Djamel (Laboratory of Numerical and Experimental Modeling of Mechanical Phenomena, University of Mostaganem)
  • Received : 2016.12.12
  • Accepted : 2017.05.05
  • Published : 2017.09.10
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Abstract

Our work aims to analyze using the finite element method the evolution of the stress intensity factor (SIF) parameter K of three laminated folded plates stacks [$+{\alpha}$, $-{\alpha}$], made of the same epoxy matrix and different reinforcement fibers (boron, graphite and glass). Our results show that the angle of orientation of the boron/epoxy composite has no great influence on the variation of the parameter KI. Compared to composite graphite/epoxy and glass/epoxy, the laminated composite boron/epoxy reduces more the SIF KI in the middle of the plate for angles $0^{\circ}{\leq}{\alpha}{\leq}30^{\circ}$.

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References

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