Reinforcement effects of MWCNT and VGCF in bulk composites and interlayer of CFRP laminates |
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| Authors: | Ning Hu Yuan LiTakaya Nakamura Toshiki KatsumataTakayuki Koshikawa Masahiro Arai |
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| Affiliation: | a Department of Mechanical Engineering, Chiba University, 1-33 Yayoi, Inage, Chiba City 263-8522, Japan
b Department of Mechanical Engineering, Shinshu University, 4-17-1 Wakasato, Nagano City 380-8553, Japan |
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| Abstract: | The reinforcement effects of two nanofillers, i.e., multi-walled carbon nanotube (MWCNT) and vapor grown carbon fiber (VGCF), which are used at the interface of conventional CFRP laminates, and in epoxy bulk composites, have been investigated. When using the two nanofillers at the interface between two conventional CFRP sublaminates, the Mode-I interlaminar tensile strength and fracture toughness of CFRP laminates are improved significantly. The performance of VGCF is better than that of MWCNT in this case. For epoxy bulk composites, the two nanofillers play a similar role of good reinforcement in Young’s modulus and tensile strength. However, the Mode-I fracture toughness of epoxy/MWCNT is much better than that of epoxy/VGCF. |
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| Keywords: | A Laminates A Polymer-matrix composites (PMCs) B Interface/interphase B Mechanical properties |
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