Electrical and mechanical properties of epoxy resin/short carbon fiber/sericite composites
Authors: Mutong, Niu1; Weiduan, W.u.2; Guoying, Hong1
Source: Composite Interfaces, Volume 15, Number 1, 2008 , pp. 1-8(8)
Publisher: VSP, an imprint of Brill
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Abstract:
Epoxy resin (EP)/short carbon fiber (SCF) composites with low volume resistivity ρv and percolation threshold of about 10 wt% have been prepared by melt-mixing EP with SCF of different weight percentages. Various amounts of sericite modified with 2 wt% stearic acid added to EP/SCF (67/25) and EP/SCF/sericite composites were obtained. The electrical and mechanical properties of the composites are studied. The testing results show that the ρv of the composites is 2.25 × 108 Ω cm, while its tensile strength, tensile elastic modulus and impact toughness are enhanced by 78.5%, 251% and 44% respectively, compared to those of EP, when the weight ratio of EP:SCF:sericite is 67:25:10.Keywords: CARBON FIBER; ELECTRICAL PROPERTIES; INTERFACE; SYNERGISM
Document Type: Research article
DOI: 10.1163/156855408783431264
Affiliations: 1: College of Material Science and Engineering, HuaQiao University, QuanZhou, FuJian, 362021, P. R. China 2: College of Material Science and Engineering, HuaQiao University, QuanZhou, FuJian, 362021, P. R. China;, Email: wwduan@hqu.edu.cn
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