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        Performance Analysis of Carbon Black/Carbon-Fiber Double-Layer Spacer Fabric/Epoxy Resin Composite Materials

        Pengfei Zhang,Kaichang Kou,Zhifeng Deng,Guanglei Wu 한국섬유공학회 2019 Fibers and polymers Vol.20 No.4

        In this paper, the carbon-fiber double-layer spacer fabric (CFDSF) was firstly introduced into epoxy resin (EP) forfabrication of CFDSF/EP composite materials. It is indicated that the introduction of CFDSF can significantly improve themechanical properties of EP. Meanwhile, the influence of the content of modified carbon black (CB) on the mechanical andelectrical properties of CB/CFDSF/EP composite materials was investigated. The results showed that the flexural strengthand impact strength of the CB/CFDSF/EP composite materials were improved as the modified CB content increased to 3 %. The bending and impact strengths were found to be 123.8 MPa and 15.88 kJ/m2, respectively, owing to a fracture mechanismtransition induced via the addition of modified CB. As the modified CB content increased from 6 % to 15 %, the bending andimpact strengths exhibited a decreasing trend and typical brittle features were evident in the composite. Further, the volumeresistance of the CB/CFDSF/EP composite materials also presented a decreasing trend.

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