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Hybrid composites consisting of a thermosetting matrix, nano-particles and macro-fibres

Tselikos Georgios

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Summary

The use of composites in many sectors of the industry, primarily in those of aeronautical and aerospace, has strengthened and evolved the role of such materials in people’s everyday lives. The low strength of composite laminate materials to compressive loads, parallel to the fiber direction, leads us to find new methods of enhancing the polymeric matrix with nanoparticles.The mechanical properties of the matrix are supported by those of the nanoparticles, once they ‘ve been successfully dispersed with the aid of a solvent. Then, with continuous stirring, the resin is added to the suspension, so that the polymeric chains penetrate between the nanoparticles. The present paper deals with the analysis of specific experimental data such as: The fracture toughness of a composite material, which includes a matrix of epoxy resign with carbon nanotube reinforced with carbon fibers, the strain and stress analysis, when tensile and compressive strength is present, it’s behavior to three-point bending and it’s impact strength.The objective is to enhance the elastic modulus of the matrix, in order to prevent buckling of the fibers and increase in this way the compressive strength of the composite.

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