Chinese Journal of Lasers, Volume. 47, Issue 7, 702004(2020)

Numerical Simulation of Influence of Droplet on Keyhole and Molten Pool of Laser Welding

Peng Jin1、*, Xu Hongqiao1, Wang Xingxing1, Yin liying1, Li Ningning1, and Li Liqun2
Author Affiliations
  • 1School of Materials Science and Engineering, North China University of Water Resources and Electric Power, Zhengzhou, Henan 450045, China
  • 2State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
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    References(12)

    [3] Fabbro R, Chouf K. Keyhole modeling during laser welding[J]. Journal of Applied Physics, 87, 4075-4083(2000).

    [4] Ki H, Mazumder J, Mohanty P S. Modeling of laser keyhole welding: part I. Mathematical modeling, numerical methodology, role of recoil pressure, multiple reflections, and free surface evolution[J]. Metallurgical and Materials Transactions A, 33, 1817-1830(2002).

    [5] Ki H, Mazumder J, Mohanty P S. Modeling of laser keyhole welding: part II. Simulation of keyhole evolution, velocity, temperature profile, and experimental verification[J]. Metallurgical and Materials Transactions A, 33, 1831-1842(2002).

    [7] Zhao H Y, Niu W C, Zhang B et al. Modelling of keyhole dynamics and porosity formation considering the adaptive keyhole shape and three-phase coupling during deep-penetration laser welding[J]. Journal of Physics D, 44, 485302(2011).

    [8] Shi P A, Wan Q, Yan Y X et al. Simulation and experimental study on fluid dynamics behavior of welding pool and keyhole in laser welding process[J]. Transactions of Materials and Heat Treatment, 38, 134-144(2017).

    [9] Lu F G, Li X B, Li Z G et al. Formation and influence mechanism of keyhole-induced porosity in deep-penetration laser welding based on 3D transient modeling[J]. International Journal of Heat and Mass Transfer, 90, 1143-1152(2015).

    [10] Cho J H, Na S J. Three-dimensional analysis of molten pool in GMA-laser hybrid welding[J]. Welding Journal (Miami, Fla), 88, 35S-43S(2009).

    [11] Pang S Y. A study on the transient keyhole and moving weld pool behaviors and mechanisms of deep penetration laser welding[D]. Wuhan: Huazhong University of Science and Technology, 94-115(2011).

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    Peng Jin, Xu Hongqiao, Wang Xingxing, Yin liying, Li Ningning, Li Liqun. Numerical Simulation of Influence of Droplet on Keyhole and Molten Pool of Laser Welding[J]. Chinese Journal of Lasers, 2020, 47(7): 702004

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    Paper Information

    Category: laser manufacturing

    Received: Mar. 5, 2020

    Accepted: --

    Published Online: Jul. 10, 2020

    The Author Email: Jin Peng (pengjin1985120@163.com)

    DOI:10.3788/CJL202047.0702004

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