Effect of linear energy on the properties of an AL alloy in DPMIG welding

2017 3rd International Conference on Environmental Science and Material Application

生态环境科学;材料科学

Liao, Tianfa^1 ; Jin, Li^1 ; Xue, Jiaxiang^1

School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou

510640, China^1

关键词: Al-alloy;    Electrical signal;    LabViEW;    Linear energy;    Weld bead;    Welding process;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/108/2/022033/pdf
DOI  :  10.1088/1755-1315/108/2/022033

来源: IOP

【 摘 要 】

The effect of different linear energy parameters on the DPMIG welding performance of AA1060 aluminium alloy is studied in this paper. The stability of the welding process is verified with a Labview electrical signal acquisition system, and the microstructure and tensile properties of the welded joint are studied via optical microscopy, scanning electron microscopy and electrical tensile tests. The test results show that the welding process for the DPMIG methods stable and that the weld beads appear as scales. Tensile strength results indicate that, with increasing linear energy, the tensile strength first increases and then decreases. The tensile strength of the joint is maximized when the linear energy is 120.5 J / mm-1.