轻工机械2025，Vol.43Issue(3)：17-22,6.DOI:10.3969/j.issn.1005-2895.2025.03.003
成型压力对碳纤维增强聚醚醚酮复合材料性能的影响
Effect of Molding Pressure on Properties of Carbon Fiber/Polyether-Ether-Ketone Composites
摘要
Abstract
In order to improve the efficiency of composites molding process and material properties,the research group studied the effect of molding pressure on the properties of Carbon Fiber/Polyether-Ether-Ketone(CF/PEEK)composites,and designed an experimental method to monitor the performance changes under different molding pressures.This method combined the modified beam theory and J integral theory to record and calculate the load-tensile total displacement curve,R curve and fiber bridging traction.At the same time,the interlaminar fracture toughness and fiber bridging force were analyzed by scanning electron microscope and optical microscope.The experimental results show that the molding pressure has a significant effect on the properties of composites.Appropriate molding pressure helps the resin to penetrate uniformly and enhance the bonding between the fiber and the matrix,thereby improving the compactness,fracture resistance and toughness of the composite.Excessive molding pressure may lead to resin loss,decrease of interfacial bonding force and weakening of fiber bridging force.While too low molding pressure may lead to incomplete resin penetration,resulting in voids or bubbles,which will affect the mechanical properties of the material.Therefore,controlling the molding pressure within an appropriate range is one of the critical techniques to improving the performance of composites.关键词
复合材料/碳纤维增强聚醚醚酮/成型压力/层间断裂韧性/纤维桥接Key words
composites/CF/PEEK(Carbon Fiber/Polyether-Ether-Ketone)/molding pressure/interlaminar fracture toughness/fiber bridging分类
机械工程引用本文复制引用
王岩,吴震宇,卢坚..成型压力对碳纤维增强聚醚醚酮复合材料性能的影响[J].轻工机械,2025,43(3):17-22,6.基金项目
国家自然科学基金区域发展重点项目:激光辅助热塑性复合材料构件原位铺放成形制造关键技术研究(U22A20182). （U22A20182）
