复合材料力矩管扭转性能的研究

复合材料力矩管扭转性能的研究 A Study on the Torsional Properties of Glass Fibre Reinforced Plastic Tubes 吴非 WU Fei 1 first-author 王翔 WANG Xiang 1 蔡浩鹏 CAI Haopeng 1 朱泉尧 ZHU Quanyao 1 武汉理工大学材料科学与工程学院 武汉理工大学材料科学与工程学院 School of Material Science and Engineering,Wuhan University of Technology School of Material Science and Engineering,Wuhan University of Technology 为了研究缠绕角度对玻璃纤维增强复合材料管（GFRP）扭转性能的影响和给在实际应用中提供依据,本文研究采用湿法缠绕成型工艺制得了具有不同缠绕角度的GFRP管.通过测试缠绕管的破坏扭矩来分析影响复合材料缠绕管扭转性能的各项因素,并与理论计算值进行了比较.研究结果表明,缠绕管扭转破坏的主要形式为面内剪切破坏.当缠绕角度在25°至60°范围内变化时,随着缠绕角度的增大,复合材料缠绕管的壁厚逐渐减小,抗剪性能逐渐减弱且扭转破坏形式有分层情况出现.当缠绕角是25°时,缠绕管的抗扭性能最佳,最大扭矩为118N.m,对应的扭转强度为209MPa. Glass fiber reinforced epoxy resin tubes were made by wet filament winding process with different winding angles in this paper and the influence of torsion properties of composite with different winding angles were also discussed in order to practical application.The factors which effect the torsion performance of tubes were analyzed by testing the buckling torque and compared with theoretical value in this paper.As shown in the research,the failure model of winding tube was in-plane shear buckling,with the increase of winding angles between 25°to 60°,the shear behavior of composite tube was gradually weakened,and the thickness was decreased accompanied with delamination after buckling.The torsion performance was best when the winding angles achieved to 25°,the maximum torque reached 118 N·m,and the corresponding shear strength was also up to 209 MPa. 复合材料 缠绕管 扭转性能 剪切强度 破坏扭矩 composite winding tub torsion properties shear strength buckling torque 10.14188/j.1671-8836.2011.02.006 TB33 国家自然科学基金资助项目（50872101） 2011-02-01 2021-04-01 2 57