Study on temperature-dependent thermal expansion properties of carbon fiber and CFPR
The thermal expansion coefficient of TG300/epoxy uniaxial fiber reinforced composites at-100～120℃was measured according to GB/T 2572-2005.The longitudinal and transverse thermal expansion characteristics of uniaxial composites with temperature are presented.The axial and radial thermal expansion coefficients of TG300 carbon fiber in the temperature range of-100～120℃were obtained through parametric inversion analysis,which would provide material performance data for composite materials design when focus on thermal expansion characteris-tics.Further,the thermal expansion coefficients of uniaxial CFRP and biaxial CFRP were calculated,and the effects of temperature,fiber volume fraction,fabric structure,structure parameters and fiber buckling on the thermal expan-sion performance of the composite were analyzed,which provided a theoretical basis for the structural design and op-timization of zero thermal expansion composite.
万方数据
维普
