Results 41 to 50 of about 4,145 (171)

Microstructure and Tensile Property of the Joint of Laser-MIG Hybrid Welded Thick-Section TC4 Alloy

Metals, 2018
In this paper, thick-section TC4 alloy was welded to itself by laser-MIG hybrid (LAMIG) welding. The microstructure of the welded joints was characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM).
Xuan Su, Wang Tao, Yanbin Chen, Jiyuan Fu   +3 more
doaj   +1 more source

The effect of inhomogeneous microstructure on the properties of laser-MIG hybrid welded 316L/AH36 dissimilar joints

Journal of Materials Research and Technology
The present study investigated the inhomogeneity of microstructure and properties of hybrid laser-MIG welded 10-mm-thick 316L/AH36 joints. The study focused on the inhomogeneity of the laser zone, hybrid zone, and transition zone.
Yixuan Zhao, Haofeng Sun, Xiaohui Zhou, Hongyun Zhao, Fuyun Liu, Biao Yang, Bo Chen, Caiwang Tan   +7 more
doaj   +1 more source

Microstructure and mechanical properties of 7050-T7451 high-strength aluminum alloy joints by laser-arc hybrid welding

Cailiao gongcheng
To promote the further application of high-strength aluminum alloys in the aviation field，the 7050-T7451 aluminum alloy with 4 mm thickness is carried out by laser-melt inert-gas（MIG）hybrid welding.
XU Fei, GAO Wenqiang, LIU Bin, LEI Pengcheng   +3 more
doaj   +1 more source

Microstructural Features and Mechanical Properties of Laser–MIG Hybrid Welded–Brazed Ti/Al Butt Joints with Different Filler Wires

Metals
Laser–MIG hybrid welding–brazing was performed to join TC4 titanium alloy and 5083 aluminum alloy with ER5356, ER4043 and ER2319 filler wires. The effects of the different filler wires on the microstructural features and mechanical properties of Ti/Al ...
Xin Zhao, Zhibin Yang, Yonghao Huang, Hongjun Zhu, Shaozheng Dong   +4 more
doaj   +1 more source

High-Temperature Oxidation of the 304/6061 Welding–Brazing Joint and Its Effects on Corrosion Characteristics

Applied Sciences
Laser–MIG hybrid welding–brazing was used to weld 304 stainless steel and 6061-T6 aluminum alloy with a thickness of 2 mm. The microstructure, morphology, chemical composition and corrosion behavior of the samples after high-temperature oxidation were ...
Ruilin Liu, Yunqi Liu, Hongming Liu, Yuanxing Li, Hui Chen, Zongtao Zhu   +5 more
doaj   +1 more source

Microstructure and mechanical properties of nano-treated 7075 aluminum alloy joint fabricated by laser-MIG hybrid welding

Hanjie xuebao
Hot cracking and joint softening are the two main factors restricting the achievement of high-performance fusion welding joints of 7075 aluminum alloy. This paper utilized low heat input laser-melt inert gas welding (MIG) hybrid welding to butt weld 7075
Weiqing LIU, Nan CHEN, Jun LIU, Rui TIAN, Detao CAI, Ziyi LUO, Yuanqing CHI   +6 more
doaj   +1 more source

Influences of laser on the energy parameters of the electric arc in the case of laser-MIG hybrid welding

The International Journal of Advanced Manufacturing Technology
The work presented in this paper deals with the relationship between the laser and the electric arc during welding and chamfer filling operations using the hybrid laser welding process.This welding process requires perfect mastery, in order to increase ...
L. Bidi, Philippe Le Masson, E. Cicala
semanticscholar   +1 more source

Mechanism of pore suppression in aluminum alloy laser-MIG hybrid welding based on alternating magnetic field

Journal of laser applications
An experiment was conducted on the laser-metal inert gas hybrid welding of 7075 aluminum alloy under alternating magnetic field assistance, in order to investigate the effect of the magnetic field on weld porosity defects in aluminum alloy.
B. Zhu, Yong Zhao, Fugang Chen, J. Fu, Feiyun Wang, Guoqiang Chen, Yonghui Qin   +6 more
semanticscholar   +1 more source

Investigation of strengthening mechanism of commercially pure titanium joints fabricated by autogenously laser beam welding and laser-MIG hybrid welding processes

The International Journal of Advanced Manufacturing Technology, 2018
In this study, in order to achieve a better understanding of the strengthening mechanism in the commercially pure (CP) Ti welds, autogenously laser beam and laser-MIG hybrid welding of 4.2 mm thick CP-Ti plates were performed and the correlation between ...
Ruifeng Li, Feng Zhang, T. Sun, B. Liu, Shujin Chen, Yingtao Tian   +5 more
semanticscholar   +1 more source

Crack propagation behavior of laser-MIG hybrid welded joints in 6005 aluminum alloy

Hanjie xuebao
The fatigue crack propagation behavior of laser-MIG hybrid welded joints in 6005A-T6 aluminum alloy is studied. Digital image correlation (DIC) technology is employed to capture the local displacement field near the crack tip during testing, enabling a ...
Ke LYU, Bing YANG, Shuancheng WANG, Shoune XIAO, Guangwu YANG, Tao ZHU   +5 more
doaj   +1 more source