Dynamic Mechanical Thermal Analysis of Pultruded Carbon Fiber/Resin Composite Cable Cores

Zheng Wei Zhou; Rui Cheng Bai; M. S. Ren; Lu Chen; Ai Jun Li; Jin Liang Sun; Q. P. Hu; Chuan Bin Wang

doi:10.4028/www.scientific.net/AMR.299-300.755

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Dynamic Mechanical Thermal Analysis of Pultruded Carbon Fiber/Resin Composite Cable Cores

Abstract:

The viscoelastic property of the CTC composite cores was investigated through dynamic mechanical thermal analysis (DMTA) in single cantilever mode. The effect of the frequency on the glass transition temperature (T_g) was studied. The results show that the peaks were shifted to higher temperatures with increasing frequencies. T_gof CTC was approximately 180 ^°C, much higher than that of a home-made composite core (Composite I). The activation energy ΔH of CTC is also greater than that of Composite I. The CTC sample exhibit better stiffness and toughness.