Effect of Water Absorption on the Tensile Characteristics of Natural/ Synthetic Fabrics Reinforced Hybrid Composites
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJE-33-11_024
تاریخ نمایه سازی: 6 اردیبهشت 1400
Abstract:
The effect of water absorption and swelling thickness on the tensile properties of flax/sisal/carbon/glass fabrics reinforced by unsaturated polyester-based hybrid composites was evaluated. Hybrid composites reinforced with different natural and synthetic fiber configurations have been processed using the Hand lay-up (HLU) technique. Water absorption test was carried out by immersing specimens in distilled water for different lengths of time, up to ۱۳۴۴ hours, and showed slight enhancement of water absorption for fibers configuration [C/C/C/C/C/C] up to ۱.۴۵%, but great enhancement of water absorption for fiber configuration [S/S/S/S/S/S] up to ۱۴%. The tensile strength of samples before and after immersion in distilled water was evaluated. This result showed that the tensile strength of fibers configuration [C/C/F/F/C/C] is approaching fibers configuration [C/C/C/C/C/C] at dry condition. Fractured cross-section morphology of composites was investigated using scanning electron microscopy (SEM) to evaluate the fibers/matrix interface before and after hydro aging. The reduction in tensile strength due to water penetrating is slight for hybrid composite with synthetic fibers at the outer layer, but huge for hybrid composite with natural fibers at outer layer.
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Authors
M. S. EL-Wazery
Department of Production Engineering and Mechanical Design, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt
A. M. EL-Kelity
Department of Production Engineering and Mechanical Design, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt
R. A. Elsad
Basic Science Department, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt
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