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Study of the Chemical and Physical Properties of the Fiber-Matrix Interface of Biocomposite Material Based on a Copolymer Matrix Polylactic Acid (PLA)

Author(s):

Mokhtaria Ould Kada, Allel Mokaddem*, Bendouma Doumi, Mohamed Berber, Lahouari Temimi and Ahmed Boutaous   Pages 1 - 9 ( 9 )

Abstract:


Background: In this paper, we have studied the improvement of the physical and chemical properties of the fiber-matrix interface of a Biocomposite based on the copolymer polylactic acid (PLA).

Methodology: We have developed an analytical model using a genetic approach to locate the interface damage under the effect of mechanical stress, temperature and humidity. Our simulation is based on Weibull's probabilistic approach and the law of water diffusion in polymer matrix, the diffusion is generated by Fick's law.

Results: Our results show that the interface of Biocomposite (Starch-PLA) is the most resistant to the different constraints applied and that the physical and chemical properties of this material are much more improved compared to other materials studied by the same genetic model.

Conclusion: Our calculations coincide perfectly with the conclusions of Antoine et al. who determined that natural fibers improve the physical properties of composite materials.

Keywords:

copolymer polylactic acid (PLA), Starch, Damage, Fiber, Matrix, Biocomposite

Affiliation:

Faculté de Technologie, Université Dr. Tahar Moulay de Saida, Saida 20000, Institute of Technology, Nour Bachir University Center, El-Bayadh, 32000, Laboratoire d’Instrumentation et Matériaux Avancés, Centre Universitaire Nour Bachir El Bayadh, Institute of Technology, Nour Bachir University Center, El-Bayadh, 32000, Faculty of Physics, University of Sciences and Technology, USTO-MB, Oran, Faculty of Physics, University of Sciences and Technology, USTO-MB, Oran



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