Gamma Irradiation-Induced Modifications in E-Glass Fiber Reinforced Polypropylene Composites: A Structural and Performance Analysis
DOI:
https://doi.org/10.38032/jea.2024.04.005Keywords:
E-glass fiber, Polypropylene, Micro Structure, Mechanical Properties, PolymerAbstract
This study explores the role of gamma irradiation in altering the mechanical properties and microstructure of E-glass fiber-reinforced polypropylene (PP) composites. E-glass fiber, known for its superior strength and durability, was combined with polypropylene to produce composites with varying fiber weight percentages (20-60 wt%). The composites were subjected to 3 kGy gamma radiation, and their tensile strength (TS), tensile modulus (TM), elongation at break (Eb%), and impact strength (IS) were evaluated. Results revealed that the optimal mechanical performance was achieved at 50 wt% fiber content, where gamma radiation improved TS by 16%, TM by 13%, Eb% by 9%, and IS by 13% compared to non-irradiated composites. Improved fiber-matrix adhesion was achieved through the cross-linking effect of gamma radiation on the polymer matrix which leads to better load transfer and mechanical properties. The results of this research highlight the efficacy of gamma irradiation to strengthen E-glass/PP composites for rigorous applications such as aerospace and automotive sectors. The present work emphasizes the importance of considering radiation treatment in composite design, especially in applications exposed to radiation.
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Copyright (c) 2024 Shahirin Shahida, Md. Mostafizur Rahman, Mohammad Bellal Hoque, Md. Mizanur Rahman, Badhon Baria, Tamanna Hasan, Ruhul A. Khan

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