화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.20, No.4, 366-371, April, 2012
DOI10.1007/s13233-012-0041-2  Export Citation
Effect of Cu-Coated Short Carbon Fibers on the Mechanical and Electrical Properties of the Epoxy Composites
Weiwei Li, Lei Liu†, Bin Shen†, Yating Wu, and Wenbin Hu
  • State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
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In this study, short carbon fiber (SCF)-reinforced epoxy composites were prepared through changing of the fiber content (0.1-0.7 wt%). An electrodeposition process was used to produce Cu-coated SCFs. To investigate the effect of Cu-coated SCFs on the composite mechanical and electrical properties, we prepared two kinds of reinforcements: SCFs treated by 400 ℃ (400 ℃-treated SCFs) and Cu-coated SCFs (Cu-SCFs). Fracture characteristics of the composites revealed that the Cu coating and the epoxy matrix had a better interface, meaning that the tensile and bending strength results were better in epoxy/Cu-SCFs composites than those in epoxy/400 ℃-treated SCFs composites. The 400 ℃-treated SCFs decreased the electrical resistivity of the epoxy composites compared to the pure epoxy. However the epoxy/Cu-SCFs composites had lower electrical resistivity than epoxy/400 ℃-treated SCFs with the same fiber content.
Keywords:carbon fiber;epoxy composites;mechanical property;electrical property.
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