纤维增强复合材料螺栓连接力学性能影响因素的研究进展

doi:10.19936/j.cnki.2096-8000.20260228.019

摘要/Abstract

摘要： 螺栓连接因其高效、可靠的连接性能在航空航天领域得到了广泛应用。然而,在纤维增强复合材料板上进行开孔等加工时,不可避免会产生分层缺陷、垂直度误差等问题;装配过程中,系统误差和人工误差也会导致螺栓连接件出现预紧力过大、过小或装配间隙等问题。这些因素都会显著影响螺栓连接结构的力学性能。因此,本文归纳了在螺栓连接制备和装配过程中影响纤维增强树脂基复合材料性能的四种关键因素:分层缺陷、垂直度误差、预紧力和装配间隙,系统阐述了各因素对其结构力学性能的影响与作用机理,并对纤维增强复合材料螺栓连接力学性能影响因素的未来研究发展趋势进行了展望。

关键词: 复合材料, 螺栓连接, 分层缺陷, 垂直度误差, 预紧力, 装配间隙

Abstract: Bolted connections have been widely used in the field of aerospace due to their efficient and reliable connection performance. However, some issues, including delamination defects, perpendicularity errors, inevitably occur during the processing of holes in fiber-reinforced composite plates. Besides, the systematic and manual errors can also lead to the inappropriate preload or the existence of assembly gaps during the assembly process. Such will significantly affect the mechanical properties of bolted joint structure. In this work, we summarized four general influential factors on the properties of fiber-reinforced resin matrix composite bolted joints in machining and assembly processes: delamination defect, perpendicularity error, preload force and assembly gap. Meanwhile, their effects on mechanical properties and the corresponding reactional mechanisms have been systemically discussed. Moreover, we also proposed the future tendency of the factors affecting the mechanical properties of fiber-reinforced composite bolted joints.

Key words: composites, bolted joints, delamination defects, perpendicularity error, preload, assembly gap

中图分类号:

TB332

张永亮, 张辉, 袁旖, 王晓龙, 杨旭东. 纤维增强复合材料螺栓连接力学性能影响因素的研究进展[J]. 复合材料科学与工程, 2026, 0(2): 135-144.

ZHANG Yongliang, ZHANG Hui, YUAN Yi, WANG Xiaolong, YANG Xudong. Research progress on influence factors of the mechanical properties of fiber-reinforced composite bolted joints[J]. COMPOSITES SCIENCE AND ENGINEERING, 2026, 0(2): 135-144.

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