碳纤维增强聚酰亚胺(CF/PI)复合材料因其优异的耐高温性、力学强度及摩擦学性能,在航空航天、汽车轻量化等领域的高端摩擦部件中展现出重要应用潜力。系统综述了近年来CF/PI复合材料摩擦学性能的研究进展,重点探讨了CF表面改性处理、多尺度协同增强复合材料和聚合物填充改性调控策略等对复合材料摩擦磨损行为及性能的影响,揭示了不同改性技术的适用特性及技术瓶颈,建立材料结构优化与摩擦学性能的构效关系,最后总结当前CF/PI复合材料在摩擦磨损领域应用中存在的问题,并对其未来发展进行展望。
Carbon fiber reinforced polyimide (CF/PI) composites show significant application potential in high-end friction components in fields such as aerospace and automotive lightweighting owing to their excellent high-temperature resistance,mechanical strength and tribological properties.This paper systematically reviewed the research progress in the tribological properties of CF/PI composites in recent years,focusing on discussing the effects of carbon fiber surface modification treatment,multi-scale synergistic reinforcement of composites and polymer filling modification regulation strategies on the friction and wear behavior and properties of composites.It revealed the applicable characteristics and technical bottlenecks of different modification technologies,and established the structure-activity relationship between material structure optimization and tribological properties.Finally,it summarized the existing problems in the application of current CF/PI composites in the field of friction and wear,and prospected for their future development.
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