Publication: Evaluation of the influence of fiber size and density on 2d representative volume elements of polymer composition using finite element simulation
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Date
2024-07-12
Authors
Muhammad Danial Imann bin Jacob @ Nazeri
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Abstract
Polymer composites have gained significant attention in engineering applications due to their exceptional mechanical properties, such as high specific stiffness, strength, and resistance to corrosion. These materials, comprising reinforcement elements like fibers embedded in a polymer matrix, are increasingly used in sectors including aerospace, automotive, marine, and biomedical engineering. This study explores the influence of fiber size and density on the mechanical behavior of polymer composites using finite element simulations. The research employs 2D representative volume elements (RVEs) to model the microstructural characteristics of the composites. Finite element analysis, facilitated by Ansys Mechanical APDL software, is utilised to simulate various scenarios with differing fiber sizes and densities. The objectives include developing a practical micromechanical finite element model, conducting simulations on this model, and investigating how changes in fiber density affect the composite's mechanical properties, particularly displacement and stress distribution. Findings from the simulations reveal that both fiber density significantly impact the mechanical performance of polymer composites. Larger fiber sizes tend to enhance the tensile strength, while higher fiber densities contribute to greater stress resistance. The study provides insights into the optimal configurations of fiber size and density for specific applications, thereby contributing to the design and manufacturing of more efficient and tailored composite materials. By integrating these variables into finite element models, the research offers a deeper understanding of the microstructural effects on polymer composites. This enhanced understanding aids in the development of composites with improved mechanical properties, ultimately leading to advancements in materials science and engineering. The study addresses gaps in current research by systematically analyzing the relationship between fiber characteristics and composite performance, paving the way for future investigations and applications in various industrial fields.