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GFRP与铝合金叠层低损伤压铆工艺参数研究
朱亚蓉1,马兴海2,3,刘东平1,安立辉4
1.天津航天长征火箭制造有限公司,天津 300462;2.南京航空航天大学,南京 210016;3.首都航天机械有限公司,北京 100076;4.中国运载火箭技术研究院,北京 100076
摘要:
为解决玻璃钢(GFRP)与铝合金叠层压铆过程中对GFRP层的损伤问题,对典型GFRP/铝合金叠层开展了2A10材料Φ4 mm铆钉在不同大小预制孔和压铆力下GFRP材料损伤情况的有限元分析,得到了实现低损伤压铆的预制孔大小及压铆力范围;根据仿真结果开展了叠层压铆试验研究并对试片进行了无损检测、剪切强度分析。结果表明:GFRP/铝合金叠层在压铆过程中选用(18.5±0.2) kN压铆力、Φ4.2 mm预制孔可实现GFRP与铝合金叠层的低损伤压铆。
关键词:  玻璃钢(GFRP)  铝合金  低损伤  压铆工艺
DOI:10.12044/j.issn.1007-2330.2020.03.004
分类号:V461
基金项目:
Low Damage Riveting Process Parameters of Multi-Layer Consisting of GFRP Composite and Aluminum Alloy
ZHU Yarong1, MA Xinghai2,3, LIU Dongping1, AN Lihui4
1.Tianjin Long March Launch Vehicle Manufacturing Co.Ltd.,Tianjin 300462;2.Nanjing University of Aeronautics and Astronautics,Nanjing 210016;3.Capital Aerospace Machinery Company Limited,Beijing 100076;4.China Academy of Launch Vehicle Technology,Beijing 100076
Abstract:
In order to solve the damage to GFRP composite during the riveting process of multi-layer consisting of GFRP composite and aluminum alloy,the dynamic damage analysis of GFRP composite have been simulated by ABAQUS on the effects of diameter of pre-drilled hole and riveting squeeze of Φ4 mm 2A10 aluminum alloy rivet.On the basis of the simulation the experimental investigations on multi-layer consisting of GFRP composite and aluminum alloy were performed.The non-destructive test and shear test of the specimens were conducted.Results of the analysis indicate that the adequate process parameters of Φ4.2 mm pre-drilled hole and (18.5±0.2) kN riveting force can achieve the requirements of low damage to GFRP composite.
Key words:  GFRP  Aluminum alloy  Low damage  Riveting process parameters