Chin. Phys. Lett.  2003, Vol. 20 Issue (7): 1102-1104    DOI:
Original Articles |
Variations for Pure Cu Melt Viscosity with Different Atmospheres
GENG Hong-Xia1;GENG Hao-Ran2;XUE Xian-Ying1;YU Ke3;LIU Jian-Tong1
1Key Laboratory for Liquid Structure and Heredity of Materials (Ministry of Education), Shandong University, Ji’nan 250061 2College of Materials Science and Engineering, Ji’nan University, Ji’nan 250022 3College of Physics, Shandong University, Ji’nan 250061
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GENG Hong-Xia, GENG Hao-Ran, XUE Xian-Ying et al  2003 Chin. Phys. Lett. 20 1102-1104
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Abstract The viscosity of Cu melt is obtained to be in the ranges from 2.418 to 3.039 mPa.s under vacuum atmosphere (2Pa), from 2.907 to 3.425 mPa.s under nitrogen gas atmosphere and from 3.352 to 4.015 mPa.s under argon gas atmosphere. The activation energy is estimated to be 0.224, 0.162 and 0.150eV for the vacuum atmosphere (2Pa), nitrogen gas atmosphere and argon gas atmosphere, respectively. The results reflect the essential structural change in the Cu melt by using different atmospheres.


Keywords: 61.25.Mv      61.20.Ne      66.10.Cb     
Published: 01 July 2003
PACS:  61.25.Mv (Liquid metals and alloys)  
  61.20.Ne (Structure of simple liquids)  
  66.10.Cb  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I7/01102
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