Numerical analysis of temperature profile and weld dimensions in laser+GMAW hybrid welding of aluminum alloy T-joint

被引：0
|
作者：
胥国祥 [1 ]
武传松 [2 ]
秦国梁 [2 ]
王旭友 [3 ]
机构：
[1] Key Laboratory of Advanced Welding Technology of Jiangsu Province,Jiangsu University of Science and Technology
[2] Institute for Materials Joining,Shandong University
[3] Harbin Welding
来源：
China Welding | 2013年 / 22卷 / 03期
关键词：
D O I：
暂无
中图分类号：
TG457.14 [铝];
学科分类号：
摘要：
The temperature fields in the transient state and weld dimensions in laser + gas metal arc welding(GMAW) hybrid welding of aluminum alloy T-jointfor different welding conditions were calculated using the developed heat source model,and the effect of welding speed on them was analyzed.The results show that the temperature field for the first weld pass only shows the feature of GMAW and the one for the second weld pass has the characteristics of both laser welding and GMAW.Welding speed can affect greatly weld dimensions and temperature distribution.When welding speed reaches 3.5 m/min,the fusion zones of two weld passes are separated and the maximum peak temperature of thermal cycle on the workpiece surface decreases largely.
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页码：51 / 55
页数：5
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