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CO2 Laser-MIG Hybrid Welding of Titanium Alloy
2009In this study, CO2 laser – MIG hybrid welding process was investigated for butt welding of Ti-6Al-4V titanium alloy sheets, 3.0 mm thickness. The effect of hybrid welding parameters (laser power, arc pulse repetition rate, arc length, arc current, wire feed rate, relative positions of laser and MIG, welding speed) was investigated.
M. Brandizzi +2 more
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Study on laser-MIG hybrid welding characteristics of A7N01-T6 aluminum alloy
The International Journal of Advanced Manufacturing Technology, 2016In this paper, an experimental study of laser-metal inert gas (MIG) hybrid welding of A7N01-T6 aluminum alloy in butt joint configuration was carried out. Visual examination and optical microscope were utilized to study the macro profile and microstructure, while mechanical properties of the welds were evaluated with the help of a tensile test and ...
Sang Liu +4 more
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Energy Transport and Thermal Stress Formation in Hybrid Laser-MIG Welding
Volume 8C: Heat Transfer and Thermal Engineering, 2013This study is focusing on understanding the thermal stress formation in hybrid laser-MIG welding which has been gaining a lot of interests due to its many advantages over laser welding. Thermal stress formation is tightly associated with heat and mass transfer in hybrid laser welding, so accurate analysis of heat transfer process in the welding process
Jun Zhou +2 more
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Laser-MIG hybrid welding system for aluminum: a review
2009Trends in welding research ASM 2005, 16-20 Ma From 5/16/2005 To 5/20/2005., Pine Moutain, Georgia ...
Dubourg, L., Rasmussen, D.
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Analysis of Weld Formation Mechanism and Weld Pool Dynamic during Moving Laser-MIG Hybrid Welding
Applied Mechanics and Materials, 2010In order to better understand heat transfer and fluid flow pattern in the weld pool of laser-metal inert gas (MIG) hybrid welding aluminum-alloy process, weld formation mechanism and weld pool dynamic behavior were analyzed by a three-dimensional mathematical model for moving laser- MIG hybrid welding.
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Investigation of porosity in rotating laser-MIG hybrid welding A6N01 aluminum alloy
International Journal of Modern Physics B, 2019In this study, rotating laser was employed to reduce the porosity defect in laser-MIG hybrid welding A6N01 aluminum alloy. The influence of laser rotating frequency and rotating radius on the weld were researched respectively. The images of the molten pool were acquired by the high-speed camera, and X-ray images of the weld were calculated by ...
Yanjie Yin +3 more
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Residual Stress and Fatigue Strength of Hybrid Laser-MIG-Welded A7N01P-T4
Metallurgical and Materials Transactions B, 2016A7N01P-T4 aluminum alloy is widely used in some important welded components of high-speed trains. The hybrid laser-metal inert gas (MIG) welding process was studied to solve problems associated with the MIG welding process, such as low welding efficiency, high residual stress and deformation, and serious loss of strength. A high-speed camera, a voltage
Qiuying Wang +3 more
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