Graphene oxide modified carbon fiber reinforced epoxy composites

What is it about?

The interfacial interaction between the fiber and matrix is the most important factor which influences the performance of the carbon fiber-epoxy composites. In this study, the graphitic surface of the carbon fibers was modified with graphene oxide nanomaterials by using a spray coating technique which is an easy, cheap, and quick method. The carbon fiber-reinforced epoxy matrix composites were prepared by hand layup technique using neat carbon fibers and 0.5, 1, and 2% by weight graphene oxide (GO) modified carbon fibers.

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Why is it important?

The interaction of the carbon epoxy interface is enhanced by this method, which is easy, fast, and scalable. Thus, Young's modulus increased from 35.14 to 43.40 GPa, tensile strength increased from 436 to 672 MPa, and the elongation at break was maintained around 2% even in only 2% GO addition.