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凌云科技集团有限责任公司,武汉 430040
凌云(宜昌)航空装备工程有限公司,宜昌 444100
西北工业大学,西安 710072
陕西大工旭航电磁科技有限公司,西安 710100
Received:16 July 2025,
Revised:2025-08-17,
Accepted:09 October 2025,
Published:15 May 2026
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引文格式:丁梦,陈昆岚,张铭豪,等.铆接工艺参数对复合材料双面埋头结构力学性能影响研究[J].航空制造技术,2026, 69(10):25010123.
DING Meng, CHEN Kunlan, ZHANG Minghao, et al. Research on effects of riveting process parameters on mechanical properties of CFRP double-sided countersunk structures[J]. Aeronautical Manufacturing Technology, 2026, 69(10): 25010123.
引文格式:丁梦,陈昆岚,张铭豪,等.铆接工艺参数对复合材料双面埋头结构力学性能影响研究[J].航空制造技术,2026, 69(10):25010123. DOI: 10.16080/j.issn1671-833x.25010123.
DING Meng, CHEN Kunlan, ZHANG Minghao, et al. Research on effects of riveting process parameters on mechanical properties of CFRP double-sided countersunk structures[J]. Aeronautical Manufacturing Technology, 2026, 69(10): 25010123. DOI: 10.16080/j.issn1671-833x.25010123.
碳纤维增强复合材料(Carbon fibre-reinforced polymer
CFRP)/金属双面埋头铆接结构可以满足飞机气动外形和轻量化连接的需求。为研究铆接工艺参数对复合材料双面埋头结构力学性能的影响,针对实际机型结构中CFRP/30CrMnSiA高强钢和CFRP/2A12硬铝合金两种叠层形式,以及TA1纯钛实心埋头铆钉和Ti45Nb半空心尾管埋头铆钉两种铆钉类型,开展了不同钉孔间隙下气动压铆和电磁铆接工艺试验和准静态拉伸试验。结合铆接干涉行为和失效模式对铆接工艺参数影响接头力学性能的作用机制进行了研究。结果表明,在一定范围内增加钉孔间隙可以提高接头剪切强度,然而过大的钉孔间隙可能导致铆钉提前倾斜而降低连接强度。电磁铆接较气动压铆可将接头强度提升3.8%~12.1%。使用TA1铆钉时,CFRP/30CrMnSiA高强钢接头的接头强度要比CFRP/2A12硬铝合金接头高出约8%,更换Ti45Nb铆钉后,二者差别不大,几何尺寸的差异是导致TA1铆钉接头和Ti45Nb铆钉接头强度差别最主要的原因。
Carbon fibre-reinforced polymer/metal double-sided countersunk riveted structures can meet the requirements for aerodynamic shape and lightweight joining of aircraft. This paper focuses on two overlapping forms of CFRP/30CrMnSiA high-strength steel and CFRP/2A12 aluminum alloy in actual machine structures
as well as two types of rivets: TA1 pure titanium solid countersunk rivets and Ti45Nb semi-hollow tailpipe countersunk rivets. Pneumatic pressriveting and electromagnetic riveting process tests and quasi-static tensile tests were conducted under different rivet-hole clearances. The mechanism by which riveting process parameters affect the mechanical properties of joints was explained by combining riveting interference behavior and failure modes. The results indicate that increasing the rivet-hole clearances can improve the shear strength of the joint
but excessive clearances may cause the rivet to tilt prematurely and reduce the joining strength. Electromagnetic riveting can increase the peak load by 3.8% to 12.1% compared to pneumatic pressriveting. When using TA1 rivets
the peak load of CFRP/30CrMnSiA high-strength steel joints is about 8% higher than that of CFRP/2A12 hard aluminum alloy joints. After replacing with Ti45Nb rivets
the difference between the two is not significant
and the difference in geometric dimensions is the main reason for the strength difference between the TA1 rivet joint and the Ti45Nb rivet joint.
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