Properties of Poly (Carbonate)/Vapor-Grown Carbon Fiber Composite Prepared by Melt compounding
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- NITHIKARNJANATHARN Jittiwat
- Graduate School of Engineering, University of Fukui
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- UEDA Hisai
- Graduate School of Engineering, University of Fukui
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- TANOUE Shuichi
- Graduate School of Engineering, University of Fukui
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- UEMATSU Hideyuki
- Graduate School of Engineering, University of Fukui
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- IEMOTO Yoshiyuki
- Graduate School of Engineering, University of Fukui
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Author(s)
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- NITHIKARNJANATHARN Jittiwat
- Graduate School of Engineering, University of Fukui
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- UEDA Hisai
- Graduate School of Engineering, University of Fukui
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- TANOUE Shuichi
- Graduate School of Engineering, University of Fukui
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- UEMATSU Hideyuki
- Graduate School of Engineering, University of Fukui
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- IEMOTO Yoshiyuki
- Graduate School of Engineering, University of Fukui
Abstract
We discussed the effect of Polycarbonate (PC) type and Vapor-Grown Carbon Fiber (VGCF) size on the mechanical properties of PC/VGCF composites prepared by melt compounding using a twin screw extruder. Four kinds of PC which have different melt volume flow rate, and two kinds of VGCF which have different aspect ratio (VGCF-S which is the aspect ratio of 100, and VGCF-H which is the aspect ratio of 40.) were used in this study. In addition, the several VGCF contents were set up in each PC/VGCF composite. The Young′s modulus of PC/VGCF composite overall increases with VGCF content in each case. However, the enhancement of Young′s modulus in PC with low and high melt viscosity is little. Tensile strength, which is maximum stress during tensile testing, of PC/VGCF composite increases a little with VGCF content except for the case using PC with high melt viscosity. Though VGCF-S is the smaller surface area and higher aspect ratio as compared with VGCF-H, the effect of each VGCF on the mechanical properties of PC is almost same. The dispersion, aggromeration and breaking of VGCF could be interpreted from the investigation of the morphology, thermal properties and Halpin-Tsai model, which predicts the Young′s modulus of the polymer/fiber composites. We concluded that the VGCF could be easily broken in high viscosity matrix.
Journal
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- Journal of Textile Engineering
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Journal of Textile Engineering 57(4), 97-106, 2011-08-15
The Textile Machinery Society of Japan
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