Laser Welding of Deep Drawing 08Al Killed Steel Sheet

被引：0
|
作者：
Liu, J. [1 ]
Shi, Y. [1 ]
Wang, Y-Q. [2 ]
Yang, Z-K. [2 ]
Zhang, H. [1 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Electromech Engn, Changchun 130022, Jilin, Peoples R China
[2] Inner Mongolia First Machinery Grp Corp, Inst Technol, Baotou 014032, Inner Mongolia, Peoples R China
来源：
LASERS IN ENGINEERING | 2015年 / 31卷 / 5-6期
关键词：
CO2; laser; laser welding; 08Al killed steel; deep drawing; manufacturing technique; distortion; cylinder;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper investigated the laser welding technology on deep drawing 08Al killed steel sheets by slab CO2 laser in order to reduce its welding distortion and improve its welding efficiency. The microstructure of the welded joints was examined with scanning electron microscope (SEM), while the properties were investigated by means of microhardness tester and tensile testing machine. Firstly, welding parameters of laser power, welding speed, and defocusing distance were optimized. Secondly, using of the optimized parameters, the cylinders were manufactured by the laser power of 2.00 kW, welding speed of 1.50 m/min, defocusing distance of 5.00mm, shielding gas of 101/min He and 151/min Ar. After deformation test, it was found that CO2 laser welded cylinders could meet the technical requirements, with the inner diameter of 173(0)(+2)mm and a cylindricity of less than 1.00mm.
引用
收藏
页码：299 / 314
页数：16
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