钢铝异质无铆钉粘铆复合连接胶层厚度分布

doi:10.13229/j.cnki.jdxbgxb20181206

吉林大学学报(工学版) ›› 2020, Vol. 50 ›› Issue (1): 100-106.doi: 10.13229/j.cnki.jdxbgxb20181206

• 材料科学与工程 • 上一篇

钢铝异质无铆钉粘铆复合连接胶层厚度分布

庄蔚敏¹(),施宏达¹,解东旋²,杨冠男³

1. 吉林大学汽车仿真与控制国家重点实验室，长春 130022
2. 一汽?大众汽车有限公司技术开发部，长春 130011
3. 吉利汽车研究院（宁波）有限公司整车工程中心，浙江宁波 315336

收稿日期:2018-11-22 出版日期:2020-01-01 发布日期:2020-02-06
作者简介:庄蔚敏（1970-），女，教授，博士生导师．研究方向：车身结构设计与优化，有限元分析和金属成形技术．E-mail：zhuangwm@jlu.edu.cn
基金资助:
国家自然科学基金项目(51775227);国家重点研发计划项目(2016YFB0101601);吉林省省校共建计划专项项目(SXGJSF2017-2-1-5)

Thickness distribution of adhesive layer in dissimilar clinch⁃adhesive hybrid joint with steel and aluminum alloy

Wei-min ZHUANG¹(),Hong-da SHI¹,Dong-xuan XIE²,Guan-nan YANG³

1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
2. Department of Technical Development, FAW?Volkswagen Automobile Co. Ltd. , Changchun 130011, China
3. Safety Technology Development Division, Geely Automobile Research Institute（Ningbo）, Ningbo 315336, China

Received:2018-11-22 Online:2020-01-01 Published:2020-02-06

摘要/Abstract

摘要：

为了研究粘铆复合接头的胶层厚度对接头的成形质量和服役性能的影响，建立了无铆钉粘铆成形有限元模型，并通过实验验证有限元模型的有效性。利用有限元模型分析了接头成形后胶层的分布规律及接头成形过程中胶层的变化趋势，研究胶层厚度对接头成形的影响。结果表明：胶层厚度从接头底部中心到自锁处呈先增大后减小的趋势，其中底部圆角处胶层厚度最大；铆接过程中胶层厚度随冲头行程增加而变化；胶层厚度影响接头的自锁值与颈厚值。

关键词: 材料合成与加工工艺, 无铆钉粘铆接头, 胶层分布, 成形过程, 有限元仿真

Abstract:

The clinch-adhesive hybrid joining technology has many advantages such as good abradability and good energy absorption. This technology is very promising and can be widely used in the aspect of car body. To study the influence of the thickness of adhesive in the clinch-adhesive hybrid joint on the forming quality and the joint performance, a finite element model (FEM) of clinch-adhesive hybrid joining was established, and was validated by the experiment. The FEM is applied to analyze the adhesive layer distribution in the joint and the variation tendency of adhesive layer during the forming process, and the influence of the adhesive thickness on the forming quality was investigated. The results indicate that the adhesive thickness firstly decreases and then increases from the centre of joint bottom to the interlock region, and the thickest part is locate in the bottom corner. During the clinching process, the thickness distribution of adhesive varies with the increase in the punch displacement, the adhesive thickness influences the interlock value and the neck thickness of the joint.

Key words: materials synthesis and processing technology, clinch-adhesive joint, adhesive layer distribution, forming process, finite element simulation

中图分类号:

TG146

庄蔚敏,施宏达,解东旋,杨冠男. 钢铝异质无铆钉粘铆复合连接胶层厚度分布[J]. 吉林大学学报(工学版), 2020, 50(1): 100-106.

Wei-min ZHUANG,Hong-da SHI,Dong-xuan XIE,Guan-nan YANG. Thickness distribution of adhesive layer in dissimilar clinch⁃adhesive hybrid joint with steel and aluminum alloy[J]. Journal of Jilin University(Engineering and Technology Edition), 2020, 50(1): 100-106.

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4	Sadowski T, Kneć M, Golewski P. Experimental investigations and numerical modelling of steel adhesive joints reinforced by rivets[J]. International Journal of Adhesion & Adhesives, 2010, 30(5):338-346.
5	He X, Zhao L, Yang H, et al. Investigations of strength and energy absorption of clinched joints[J]. Computational Materials Science, 2014, 94(11):58-65.
6	陈吉清, 邱泽鑫, 周云郊,等. 钢铝板材压-胶复合连接性能[J]. 哈尔滨工业大学学报, 2016, 48(7):169-175.
	Chen Ji-qing， Qiu Ze-xin， Zhou Yun-jiao,et al. Performances of clinch-bonded hybrid joints between steel-aluminum sheets[J]. Journal of Harbin Institute of Technology, 2016, 48(7):169-175.
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9	庄蔚敏, 赵文增, 解东旋,等. 超高强钢/铝合金热铆连接接头性能[J]. 吉林大学学报:工学版, 2018,48(4): 1016-1022.
	Zhuang Wei-min, Zhao Wen-zeng, Xie Dong-xuan, et al. Joint performance analysis on connection of ultrahigh-strength steel and aluminum alloy with hot riveting[J]. Journal of Jilin University(Engineering and Technology Edition), 2018,48(4): 1016-1022.
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材料	弹性模量/GPa	泊松比	屈服强度/MPa	抗拉强度/MPa
Q235钢板	210	0.3	251.9	442.5
5754铝合金	70	0.3	162.1	273.0

参数	实验值/mm	仿真值/mm	误差/%
颈厚值	0.202	0.218	7.9
自锁值	0.141	0.130	7.8
颈厚处胶层厚度	0.027	0.025	8.0
自锁处胶层厚度	0.012	0.011	9.1
圆角处胶层厚度	0.088	0.089	1.1

钢铝异质无铆钉粘铆复合连接胶层厚度分布

Thickness distribution of adhesive layer in dissimilar clinch⁃adhesive hybrid joint with steel and aluminum alloy

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