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2017 Volume 34 Issue 5
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Ting-Jian Dong, Cui-Hua Rong, Jia-Chang Liang, Bo Liu, Xiao-Yong Zhao, Dong-Yan Chen, Bin Zhang, Hao Wang, Hai-Bo Li, Shi-Gui Zhang, Yu-Ping Jiang, Bing Luo, Xiao-Wen Zhou, Tao Wang, Xiao Yu, Xiao-Yun Le. 2017: Hydrodynamic Effects on Surface Morphology Evolution of Titanium Alloy under Intense Pulsed Ion Beam Irradiation, Chinese Physics Letters, 34(5): 84-87. doi: 10.1088/0256-307X/34/5/056101
Citation: Ting-Jian Dong, Cui-Hua Rong, Jia-Chang Liang, Bo Liu, Xiao-Yong Zhao, Dong-Yan Chen, Bin Zhang, Hao Wang, Hai-Bo Li, Shi-Gui Zhang, Yu-Ping Jiang, Bing Luo, Xiao-Wen Zhou, Tao Wang, Xiao Yu, Xiao-Yun Le. 2017: Hydrodynamic Effects on Surface Morphology Evolution of Titanium Alloy under Intense Pulsed Ion Beam Irradiation, Chinese Physics Letters, 34(5): 84-87. doi: 10.1088/0256-307X/34/5/056101
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Hydrodynamic Effects on Surface Morphology Evolution of Titanium Alloy under Intense Pulsed Ion Beam Irradiation

  • Engineering Technology Training Center, Civil Aviation University of China, Tianjin 300300

  • School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191

  • Sichuan Chengfa Aero Science and Technology Co.Ltd,Chengdu,610000

  • School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191;School of Space and Environment, Beihang University, Beijing 100191

  • Available Online: 30/12/2017
  • Fund Project: the National Natural Science Foundation of China under Grant No 1175012,the China Postdoctoral Science Foundation under Grant No 2016M600897,and the National Science and Technology Major Project of the Ministry of Science and Technology of China under Grant No 2013ZX04001-071
  • The hydrodynamic effects of molten surface of titanium alloy on the morphology evolution by intense pulsed ion beam (IPIB) irradiation are studied.It is experimentally revealed that under irradiation of IPIB pulses,the surface morphology of titanium alloy in a spatial scale of μm exhibits an obvious smoothening trend.The mechanism of this phenomenon is explained by the mass transfer caused by the surface tension of molten metal.Hydrodynamic simulation with a combination of the finite element method and the level set method reveals that the change in curvature on the molten surface leads to uneven distribution of surface tension.Mass transfer is caused by the relief of surface tension,and meanwhile a flattening trend in the surface morphology evolution is achieved.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Hydrodynamic Effects on Surface Morphology Evolution of Titanium Alloy under Intense Pulsed Ion Beam Irradiation

  • Available Online: 30/12/2017

Abstract: The hydrodynamic effects of molten surface of titanium alloy on the morphology evolution by intense pulsed ion beam (IPIB) irradiation are studied.It is experimentally revealed that under irradiation of IPIB pulses,the surface morphology of titanium alloy in a spatial scale of μm exhibits an obvious smoothening trend.The mechanism of this phenomenon is explained by the mass transfer caused by the surface tension of molten metal.Hydrodynamic simulation with a combination of the finite element method and the level set method reveals that the change in curvature on the molten surface leads to uneven distribution of surface tension.Mass transfer is caused by the relief of surface tension,and meanwhile a flattening trend in the surface morphology evolution is achieved.

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