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LUO Chong1, ZHANG Zhenlin1, SHAN Jiguo1,2. Simulation of filler metal's flow and shaping during Aluminum brazing process of heat exchanger cruciform joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(7): 88-92. DOI: 10.12073/j.hjxb.2018390181
Citation: LUO Chong1, ZHANG Zhenlin1, SHAN Jiguo1,2. Simulation of filler metal's flow and shaping during Aluminum brazing process of heat exchanger cruciform joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(7): 88-92. DOI: 10.12073/j.hjxb.2018390181
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Simulation of filler metal's flow and shaping during Aluminum brazing process of heat exchanger cruciform joint

  • 1. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;
    2. Key Laboratory for Advanced Materials Processing Technology, Ministry of Education, Beijing 100084, China

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  • Received Date: December 19, 2016
    Graphical Abstract
    • Abstract
  • In order to increase efficiency and improve quality of heat exchanger in air condition further, simulations of Aluminum brazing sheet cruciform joint based on VOF 3D model were carried out to research the wetting process of filler metal under different brazing temperature and joint gap. Meanwhile, experiments were conducted. The results show that the model can simulate the flow and shaping of joint approximately and predict the influence rules of temperature on wetting length, which validates this model. Brazing temperature affects the shaping of joint considerably. Compared to 600℃, 590℃ and 610℃ both led to the decrease of wetting length due to insufficient wettability and running off increasingly of filler metal, respectively. Too little gap generated aggregation of filler metal at bottom of joint and too large gap weakened capillary action, both of which went against the wetting of filler metal. So symmetrical gap for the joint is best.
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    • References (7)
  • Vasiliev L L. Heat pipes in modern heat exchangers[J]. Applied Thermal Engineering, 2005, 25(1):1-19.
    马鑫, 梁旭文, 冯吉才, 等. 钎缝圆角几何形状对Al-Al2O3钎焊件剪切应力分布的影响[J]. 焊接学报, 2001, 22(3):9-11. Ma Xin, Liang Xuwen, Feng Jicai, et al. Effect of fillet geometry on shear stress distribution in Al-Al2O3 soldering assembly[J]. Transactions of the China Welding Institution, 2001, 22(3):9-11.
    许志武, 闫久春, 钟利, 等. 铝合金超声波钎焊过程中液态钎料的填缝及界面润湿行为[J]. 材料工程, 2010(10):1-4. Xu Zhiwu, Yan Jiuchun, Zhong Li, et al. Filling and wetting behaviors of liquid filler metal in the process of ultrasonic soldering of aluminum alloy[J]. Journal of Materials Engineering, 2010(10):1-4.
    慕东, 魏晓伟. Zn-Al-Cu-Mg钎料对碳钢钎焊润湿性研究[J]. 焊接, 2005(2):31-33. Mu Dong, Wei Xiaowei. Wettability of Zn-Al-Cu-Mg filler metals on carbon steels[J]. Welding & Joining, 2005(2):31-33.
    张启运, 庄鸿寿. 钎焊手册第2版[M]. 北京:机械工业出版社, 2008.
    Sun J, Liu X, Tong Y, et al. A comparative study on welding temperature fields, residual stress distributions and deformations induced by laser beam welding and CO2 gas arc welding[J]. Materials & Design, 2014, 63(2):519-530.
    张健. 基于VOF方法激光深熔焊接小孔行为的数值分析[D]. 兰州:兰州理工大学, 2014.
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