MATEC Web of Conferences
Volume 31, 20152015 7th International Conference on Mechanical and Electronics Engineering (ICMEE 2015)
|Number of page(s)||4|
|Section||Mechanical design manufacturing and automation|
|Published online||23 November 2015|
Comparative study on welding characteristics of laser-additional current hybrid welded T-joint of aluminium and titanium alloy
1 School of Mechanical Science and Engineering, Jilin University, China
2 State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, China
a Corresponding author: firstname.lastname@example.org
In order to improve the properties of laser overlap welded T-joint, laser-additional current hybrid welding process is put forward. In this paper, the welding characteristics of laser-additional current hybrid welded aluminum and titanium alloy T-joint were conducted and compared. The weld width at faying surface increase, which results in tensile shear load increasing compared with those of laser welding for both aluminum and titanium alloy, but the effect of current on aluminum alloy is more obvious. The porosity defect within the laser-additional current hybrid welded joint sharply reduces compared with that within laser welding. The tensile shear load of aluminum alloy and titanium alloy hybrid welded joints respectively increase 21% and 15%. The effects of additional current on welding characteristics of aluminum alloy and titanium alloy are compared and analyzed.
© Owned by the authors, published by EDP Sciences, 2015
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