摘要
为满足大型风机叶片的设计要求,在降本与减重的前提下,探索新型高性能缝编玻璃纤维对叶片性能的影响。以环氧树脂为基体,分别使用不同纱线经编而成的单轴向、双轴向与三轴向玻璃纤维织物作为增强材料,采用RTM模具灌注工艺制备层压板,通过电子万能试验机测试拉伸、压缩与剪切性能,探讨了不同轴向复合材料的力学性能。实验表明,使用高性能纱线显著提高了层压板的0°拉伸性能,单轴向层压板的拉伸强度可达1310MPa,+45°/-45°斜铺的层压板剪切性能整体最优,其中双轴向层压板剪切强度不低于211MPa,剪切模量不低于12GPa,实验通过探究多轴向纤维的性能,为大型风机叶片铺层设计提供理论参考。
In order to meet the design requirements of large wind turbine blades,the effects of new high performance stitched glass fibers on blade performance were explored under the premise of cost and weight reduction.Epoxy resin was used as the matrix,and uniaxial,biaxial and triaxial glass fabrics warp-knitted with different glass rovings were used as reinforcement to make laminates by RTM process.The mechanical properties of different axial composites were investigated by testing tensile,compression and shear properties using INSTRON 5982 Universal Testing Machine.The results have shown that high-performance rovings can significantly improve the 0°tensile properties of laminates,with the tensile strength of uniaxial laminates up to 1310 MPa.The shear properties of+45°/-45°laminates were the most excellent,with the shear strength of biaxial laminate not less than 211 MPa and the shear modulus not less than 12 GPa.The study has provided a theoretical reference for the layup design of wind turbine blades in the future.
作者
张会丽
陈发桥
张华华
Zhang Huili;Chen Faqiao;Zhang Huahua(Mingyang Smart Energy Group Co,Ltd,Zhongshan528437;School of Material and Energy,Guangdong University of Technology,Guangzhou510006)
出处
《玻璃纤维》
CAS
2019年第4期27-32,共6页
Fiber Glass
关键词
风电叶片
高性能纱线
缝编玻璃纤维织物
环氧树脂
力学性能
wind turbine blade
high performance roving
stitched glass fiber fabric
epoxy resin
mechanical properties
