Abstract
This research article describes the results of nano-silica (nSiO2) filled epoxy (Ep) mono composites with different contents (0.5, 1.0, 1.5, 3, and 5 wt.%) and carbon fabric-reinforced epoxy (CFE) with 1.5 and 3 wt.% of nSiO2 hybrid composites and their physical and mechanical properties characterized by different techniques as per ASTM standards. Mechanical mixing and sonication techniques were followed to disperse nSiO2 into Ep resin. Furthermore, the same nSiO2/Ep is reinforced with carbon fabric by hand lay-up followed by vacuum-bagging technique. The morphological features were studied by scanning electron microscopy. The properties of the Ep based mono and hybrid composites showed that the hardness, tensile strength/modulus, and flexural strength/modulus, as well as impact strength of the composites enhanced with nSiO2 wt.% up to 3 wt.% for mono and hybrid composites and decreased thereafter; suggesting that the beneficial properties ensued up to 3 wt.% nSiO2 content.
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Acknowledgements
National Institute of Engineering, Centre for Research & Development (NIE-CRD) and TEQIPIII, NPIU funded this work. The authors would like to acknowledge the support of the Board of Management, NIE, Principal, and TEQIP-III Coordinator. The Universal testing machine was procured from Kalpak Instruments and Controls, Pune, Mumbai. India. We would like to extend our sincere gratitude to Mr. SK Sidhaye (CEO), Kalpak Instruments and Controls. Thanks go to the following Centre for Composite Materials Research (CCMR), NIE, technical staff Mr. Byresh for the help rendered in conducting experiments.
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Suresha, B., Divya, G.S., Hemanth, G. et al. Physico-Mechanical Properties of Nano Silica-Filled Epoxy-Based Mono and Hybrid Composites for Structural Applications. Silicon 13, 2319–2335 (2021). https://doi.org/10.1007/s12633-020-00812-8
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DOI: https://doi.org/10.1007/s12633-020-00812-8