Abstract
AbstractIn recent times, demand has been increasing for lightweight, high strength, high stiffed and eco-friendly composites in many engineering applications like aerospace, automobile, marine and medical applications. Polymer nanocomposites are best suitable for making of lightweight, high strength, stiffness and eco-friendly composites. Many engineers and researchers are working for the development and improvement of nanofiller-reinforced polymer nanocomposites. The objective of this study is to investigate the effect of functionalized multiwall carbon nanotube (MWCNT) on the tensile and flexural properties of epoxy resin nanocomposites reinforced with okra cellulose nanofibers. The nanocomposite laminates were subjected to experimental investigation to evaluate tensile and flexural properties. It is desirable to improve the tensile and flexural strength properties of this polymer to enhance its current applicability and to widen its scope for variety of advanced applications. In this research work, we have prepared nanocomposite of CNFs with functionalized multiwalled carbon nanotubes (f-MWCNT) as nanofiller materials. The tensile and flexural properties of nanocomposites are tested as per the ASTM standards. The weight of functionalized MWCNT in CNFs was varied from 0.25 to 1 wt%. The distribution and confirmation of functionalized multiwalled carbon nanotubes (f-MWCNT) in CNFs were analyzed. Mechanical characterization using nanoindentation techniques also showed significant enhancement in tensile and flexural properties of with multiwalled carbon nanotubes on okra cellulose nanofibers epoxy resin nanocomposites nanocomposite in comparison to okra cellulose nanofibers epoxy resin nanocomposites. The preliminary studies of the nanofillers revealed that the nanofillers can be used as reinforcement for nanofiller composites. The results revealed that the tensile and flexural properties of the proposed CNFs were enhanced considerably after the incorporation of functionalized multiwall carbon nanotube (f-MWCNT) nanofillers into the epoxy matrix. These types of nanocomposites materials CNFs and MWCNT could be used as body components in aerospace, automotive, marine and medical applications.KeywordsCellulose nanofibers (CNFs)Multiwalled carbon nanotube (MWCNT)Epoxy nanocompositesTensile and flexural properties
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