Numerical simulation on electron beam deep penetration welding and weld appearance of magnesium alloy

被引：0
|
作者：
Luo, Yi [1 ,2 ,3 ]
Liu, Jinhe [1 ]
Ye, Hong [3 ]
Shen, Bin [3 ]
机构：
[1] School of Material Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, China
[2] Province Key Laboratory of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu, China
[3] School of Material Science and Engineering, Chongqing Institute of Technology, Chongqing 400050, China
来源：
Hanjie Xuebao/Transactions of the China Welding Institution | 2010年 / 31卷 / 06期
关键词：
Deep penetration - Numerical models - Corrosion - Electron beam welding - Electron beams - Magnesium printing plates - Welds - Electrons;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The numerical simulation on vacuum electron beam deep penetration welding for AZ61 magnesium alloy sheet with 10 mm thickness was studied. In view of the thermal effect about metal steam plasma and keyhole deep penetration during vacuum electron beam welding, the moving heat source model composed by Gauss surface source and double ellipsoid body source was developed. And the characteristics of thermal cycle and weld appearance under different welding processes were studied on the basis of simulation and experiment values. The results of simulation and experiment show that the composite source model can gain the effect of deep penetration of electron beam welding and calculate the temperature distribution and the weld geometry under the action of electron beam source. The results also prove that the model is applicable to the thermal effect simulation on the electron beam welding of AZ61 magnesium alloy sheet.
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页码：65 / 68
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