复合材料科学与工程Issue(5)：15-21,37,8.DOI:10.19936/j.cnki.2096-8000.20250528.002
短切芳纶纤维网纱层间增韧CF/EP复合材料结构与性能研究
Study on structure and properties of carbon fiber/epoxy composites toughened with short aramid fiber veil interlayers
摘要
Abstract
For the purpose of enhancing the interlaminar fracture toughness of carbon fiber/epoxy resin(CF/EP)composites,fibrillated short aramid fiber veils(AFV)were prepared by wet netting process in this work and the influence of the areal density of AFV on the interlaminar properties of the CF/EP composites was investigated,with observing the cross-section morphology of CF/EP composites to explore its toughening mechanism.The results demonstrate that the CF/EP composites toughened by 3 g/m2 AFV improve the GⅠC and GⅡC values by 60.6%and 69.7%,respectively,meanwhile,the interlaminar shear properties were improved notably.Combined with SEM a-nalysis,the fibrillation aramid fibers show fiber bridging,fiber pullout,fiber breakage,and longitudinal tearing un-der stress,thus making the crack path more tortuous and absorbing more energy,the interlayer toughness of CF/EP composites materials is improved.关键词
微纤化短切芳纶纤维网纱/碳纤维/环氧树脂复合材料/层间断裂韧性/纤维桥接/纤维纵向撕裂Key words
fibrillation short aramid fiber veil/carbon fiber/epoxy resin composites/interlaminar fracture tough-ness/fiber bridging/fiber longitudinal tear引用本文复制引用
彭砚双,薛怿,阳泽濠,赵庆志,张文强,冯阳阳,刘勇,张辉,俞建勇..短切芳纶纤维网纱层间增韧CF/EP复合材料结构与性能研究[J].复合材料科学与工程,2025,(5):15-21,37,8.基金项目
国家重点研发计划(2022YFB3709202) （2022YFB3709202）
国家发改委重大专项 （）
