Numerical Simulation Study on Temperature Field of Continuous Drive Friction Welding of Aluminum/Steel with Conical Terminal
ZHANG Changqing1,2,*, SHI Wenchen2, LUO Dechun3, WANG Shuwen2, LIU Xiao2, CUI Guosheng2, CHEN Boyang2, ZHANG Zhongke2, XIN Zhou3, RUI Zhiyuan3
1 State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metal, Lanzhou University of Technology, Lanzhou 730050, China 2 School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China 3 School of Mechanical and Electrical Engineering, Lanzhou University of Technology, Lanzhou 730050, China
Abstract: The structural design of joint is an important process measure of continuous drive friction welding, which has a significant effect on improving the non-uniformity of heat generation power of interface and improving the mechanical properties of joint. This work designed 5°, 10°, 15°, 20°, 25° taper degree on the steel, analyzed finite element on ABAQUS, established the three-dimensional thermal-mechanical coupling model of welding process with the coupled Eulerian-Lagrangian method, analyzed the influence of the taper degree on the change law of joint forming, the temperature field distribution and the plastic metal forming, and carried out welding experiments to verify the accuracy of the calculation results. The results show that the macroscopic morphology and axial shortening of the joint are in good agreement with the experimental results. The relative error between the calculated temperature and the measured data is about 3.5%—4.8%, and the variation trends are the same. The taper structure makes the high temperature area of the interface move, and the temperature at 2/3R of the 5° and 15° joints is the highest, while the temperature at 1/3R of the 25° joints is the highest. The heat concentration location moves towards the center of the interface, and the width of the heat concentration area becomes narrower. The position and the width of the plastic ring are in good agreement with the calculated temperature field.
张昌青, 师文辰, 罗德春, 王树文, 刘晓, 崔国胜, 陈波阳, 张忠科, 辛舟, 芮执元. 锥形端面对铝/钢连续驱动摩擦焊温度场的数值模拟研究[J]. 材料导报, 2022, 36(15): 21040043-7.
ZHANG Changqing, SHI Wenchen, LUO Dechun, WANG Shuwen, LIU Xiao, CUI Guosheng, CHEN Boyang, ZHANG Zhongke, XIN Zhou, RUI Zhiyuan. Numerical Simulation Study on Temperature Field of Continuous Drive Friction Welding of Aluminum/Steel with Conical Terminal. Materials Reports, 2022, 36(15): 21040043-7.
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2022, Vol. 36 
