刘可欣;何晓聪;张杰;初明明;黄炎宁;

• 1:昆明理工大学机电工程学院

摘要(Abstract)：

通过对AA5182压印连接,制备一批压印连接试件,一部分用于静拉伸试验,平均失效载荷值为1 449 N,失效形式均为颈部断裂。另一部分用于微动试验,施加最大载荷力为1 350 N,应力比R=0.1,试件失效形式均为上板断裂,断裂方向垂直于加载力方向,断裂位于接头边缘处。对微动试验的运行工况图分析,可得:微动初期F-D曲线呈椭圆形,张开型,有明显弹塑性变形,材料刚度增加较快;循环次数逐渐增多F-D曲线呈近似直线型,塑性变形减弱,弹性协调为主,材料刚度增加减缓。

关键词(KeyWords)： 铝合金;压印;微动磨损;工况图;弹塑性变形

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51565023;51565022)

作者(Author): 刘可欣;何晓聪;张杰;初明明;黄炎宁;

Email:

DOI: 10.14024/j.cnki.1004-244x.20190402.003

参考文献(References)：

• [1]HE Xiaocong. Influence of boundary conditions on stress distributions in a single-lap adhesively bonded joint[J]. International Journal of Adhesion&Adhesives,2014,53:34-43.
• [2] HE Xiaocong. Clinching for sheet materials[J]. Science&Technology of Advanced Materials,2017,18(1):381-405.
• [3]HE Xiaocong,ZHANG Yue,XING Baoying,et al. Mechanical properties of extensible die clinched joints in titanium sheet materials[J]. Materials&Design,2015,71:26-35.
• [4]VARIS J P. The suitability of clinching as a joining method for high-strength structural steel[J]. Journal of Materials Processing Technology,2003,132(1):242-249.
• [5]LAMBIASE F. Influence of process parameters in mechanical clinching with extensible dies[J]. International Journal of Advanced Manufacturing Technology,2013,66(9/10/11/12):2123-2131.
• [6]CHEN Chao,ZHAO Shengdun,CUI Minchao,et al. Mechanical properties of the two-steps clinched joint with a clinch-rivet[J]. Journal of Materials Processing Technology,2016,237:361-370.
• [7]CHEN Chao,ZHAO Shengdun,HAN Xiaolan,et al. Optimization of a reshaping rivet to reduce the protrusion height and increase the strength of clinched joints[J]. Journal of Materials Processing Technology,2016,234:1-9.
• [8]HE Xiaocong,ZHAO Lun,YANG Huiyan,et al. Investigations of strength and energy absorption of clinched joints[J]. Computational Materials Science,2014,94:58-65.
• [9]BALAWENDER T,SADOWSKI T,GOLEWSKI P. Numerical analysis and experiments of the clinch-bonded joint subjected to uniaxial tension[J]. Computational Materials Science,2012,64:270-272.
• [10]WATERHOUSE R B. Fretting wear[J]. Wear,1984,100(1):107-118.
• [11]周仲荣,LEO Vincent.微动磨损[M].北京:科学出版社,2002:49-82.
• [12]周仲荣,朱旻昊.复合微动磨损[M].上海:上海交通大学出版社,2004:57-77.
• [13]朱旻昊.径向与复合微动的运行和损伤机理研究[M].成都:西南交通大学出版社,2006:42-83.
• [14]BERTHIER Y,VINCENT L,GODET M. Fretting fatigue and fretting wear[J]. Tribology International,1989,22(4):235-242.
• [15]HAN L,CHRYSANTHOU A,O’SULLIVAN J M. Fretting behaviour of self-piercing riveted aluminium alloy joints under different interfacial conditions[J]. Materials&Design,2006,27(3):200-208.
• [16]HAN L,CHRYSANTHOU A,YOUNG K W,et al. Characterization of fretting fatigue in self‐piercing riveted aluminium alloy sheets[J]. Fatigue&Fracture of Engineering Materials&Structures,2010,29(8):646-654.
• [17]周仲荣.微动图在抗微动失效中的应用[J].中国表面工程,1998(1):41-45.