近年来,碳纤维复合材料在风电叶片中的应用越来越广泛,其中,拉挤碳板更成为风电叶片生产中的重要部件之一。主要研究了填料含量对环氧树脂黏度、凝胶时间等工艺性能的影响,以及填料含量对碳板横向拉伸力学性能的影响。结果表明:填料含量过高,树脂黏度大,纤维浸润性不佳;填料含量过低,树脂黏度小,填料填充作用不明显;并且过高或者过低的填料含量对碳板横向拉伸力学性能影响也比较明显,通过工艺实验确定了生产碳板(FVF%=60%)的最佳填料质量含量为12%。

In recent years,the application of carbon fiber composites in wind power blades is more and more extensive,in which pultruded carbon plate is one of the most important parts in the production of wind turbine blades.The influence of filler on the process and performance of pultrusion carbon plate was studied.The main research contents included the influence of different filler contents on the process performance of epoxy resin,gel time and so on,and the effect of different filler contents on the transverse tensile mechanical properties of carbon plate.The results showed that the filler content was too high,the resin viscosity was large,and the fiber wettability was poor.The filler content was too low,the resin viscosity was small,the filler filling effect was not obvious.And too high or too low content of filler all had a more obvious effect on the transverse tensile of carbon plate.Through the process test,the best filler content of 12% in the production of carbon plate(FVF%=60%) were determined.