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The new research explores the manufacture of a hybrid glass fiber reinforced polyester resin composite. Functionalized carbon nanotubes with glass fiber are mixed with polyester resin as a media in the composite. To produce GFRPs samples in the form of rectangular sheets, the hand lay-up method was used. The MWCNTs had the highest tensile strength and impact energy of 79 MPa, with a 31. 6 percent increase and 77% increase in comparison to the control sample's 77% increase, respectively. The polyester resin and GF also improved the composite strength from 40 MPa to 128 MPa, but a decrease in thickness to 15 layers eventually reduced the composite strength to 100 MPa, owing to poor coordination between the polyester resin and GF. The addition of f-MWCNTs in the composite effectively increases the interfacial bonding, which has significantly increased the tensile and impact strength of the composite, making it harder and thermally stable.
Source link: https://doi.org/10.1371/journal.pone.0279647
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