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Fabrication and Design of Wood-Based High-Performance Composites
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High-Performance Graphene-Based Natural Fiber Composites.

Forkan Sarker, Nazmul Karim1, Shaila Afroj1

  • 1National Graphene Institute (NGI) , The University of Manchester , Booth Street East, Manchester , M13 9PL , U.K.

ACS Applied Materials & Interfaces
|September 18, 2018
PubMed
Summary

Coating natural jute fibers with graphene oxide or graphene flakes significantly improves their mechanical strength and interfacial properties. This advancement paves the way for eco-friendly, high-performance natural fiber composites as sustainable alternatives.

Keywords:
compositesgraphenegraphene oxideinterfacial shear strength and tensile propertiesjute fibersnatural fibers

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Area of Science:

  • Materials Science
  • Composite Materials
  • Nanotechnology

Background:

  • Natural fiber composites offer sustainable and cost-effective alternatives to synthetic composites.
  • Key limitations include poor mechanical performance and weak interfacial adhesion.
  • Jute fibers are abundant natural resources with potential for composite applications.

Purpose of the Study:

  • To enhance the mechanical and interfacial properties of natural jute fibers.
  • To investigate the efficacy of graphene oxide (GO) and graphene flakes (G) as coatings.
  • To explore the potential for developing high-performance, eco-friendly natural fiber composites.

Main Methods:

  • Coating natural jute fibers with graphene oxide (GO) and graphene flakes (G).
  • Characterization of the coated fibers to assess mechanical and interfacial improvements.
  • Analysis of the interaction mechanisms between fibers and graphene materials.

Main Results:

  • Graphene material coatings significantly improved interfacial shear strength by approximately 236%.
  • Tensile strength of the coated jute fibers increased by about 96% compared to untreated fibers.
  • Graphene oxide formed bonding, while graphene flakes provided mechanical interlocking, enhancing fiber-matrix adhesion.

Conclusions:

  • Coating jute fibers with GO and G effectively enhances their mechanical and interfacial properties.
  • This method offers a viable route for producing high-performance, environmentally friendly natural fiber composites.
  • These enhanced composites show promise for replacing synthetic materials in automotive, naval, and aerospace applications.