Numerical simulation of deep cryogenic treatment electrode tip temperature for spot welding aluminum alloy

被引：3
|
作者：
吴志生
胡敏英
刘翠荣
机构：
[1] School of Material Science and Engineering Taiyuan University of Science and Technology Taiyuan
[2] 030024.
来源：
China Welding | 2006年 / 04期
关键词：
spot welding; electrode; deep cryogenic treatment; electrode tip temperature; simulation;
D O I：
暂无
中图分类号：
TG456 [特种焊接];
学科分类号：
080201 ; 080503 ;
摘要：
Deep cryogenic treatment technology of electrodes is put forward to improve electrode life of resistance spot welding of aluminum alloy LF2.Deep cryogenic treatment makes electrode life for spot welding aluminum alloy improve.The specific resistivity of the deep cryogenic treatment electrodes is tested and experimental results show that specific resistivity is decreased sharply.The temperature field and the influence of deep cryogenic treatment on the electrode tip temperature during spot welding aluminium alloy is studied by numerical simulation method with the software ANSYS.The axisymmetric finite element model of mechanical,thermal and electrical coupled analysis of spot welding process is developed.The numerical simulation results show that the influence of deep cryogenic treatment on electrode tip temperature is very large.
引用
收藏
页码：67 / 70
页数：4
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