复合材料科学与工程Issue(5)：59-67,9.DOI:10.19936/j.cnki.2096-8000.20250528.008
成型工艺及铺层结构对CF/PPESK复合材料缺陷与力学性能的影响
Effects of molding process and lay-up structure on the defects and mechanical properties of CF/PPESK composites
摘要
Abstract
In this paper,the prepreg of continuous carbon fiber reinforced poly(phthalazinone ether sulfone ke-tone)resin matrix composites(CF/PPESK)was prepared using the solution impregnation method.Through an or-thogonal test,the concentration of the impregnating solution and process parameters for prepreg-making equipment were optimized.When the concentration of impregnating solution is 20wt%,the roller speed is 7 r/min and the strip width is 6.5 mm,the resin volume content and areal density of the prepreg are 40.01%and 218 g/m2,respective-ly.CF/PPESK were prepared by hot pressing,the defects and properties of isotropic(QI)composite laminates un-der different forming processes were investigated,by the ultrasonic phased array and three-point flexural test.The results show that the defect of QI laminates is the least,the flexural strength and modulus are 345 MPa and 46 GPa,when the molding temperature and pressure are 350℃and 16 MPa,respectively.The flexural strength retention rate of composite laminates with different lay-up structures are 60%～62%at 250℃.In order to improve the flexur-al strength of CF/PPESK@QI composite laminates,by MWCNTs-P is blended with PPESK resin matrix,the flex-ural strength of laminates with different lay-up structures could be improved by 39%～46%,At 250℃,the flexural strength retention rate of composite laminates with different lay-up structures are 47%～52%.关键词
热塑性树脂基复合材料/杂萘联苯结构聚芳醚砜酮/力学性能/铺层结构/成型工艺Key words
thermoplastic polymer composite/poly(phthalazinone ether sulfone ketone)/mechanical property/lay-up structure/molding process引用本文复制引用
王俞童,乔越,贾航,张玉,陈曦,刘程,蹇锡高..成型工艺及铺层结构对CF/PPESK复合材料缺陷与力学性能的影响[J].复合材料科学与工程,2025,(5):59-67,9.基金项目
国家自然科学基金面上项目(52373068) （52373068）
国家自然科学基金重大研究计划-重点支持项目(91860204) （91860204）
中央高校基本科研业务(DUT22LAB605) （DUT22LAB605）
