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Metallurgical and Materials Transactions A, 2010
The microstructures, tensile properties, strain hardening, and fatigue strength of fiber-laser-welded (FLW) and diode-laser-welded (DLW) AZ31B-H24 magnesium alloys were studied. Columnar dendrites near the fusion zone (FZ) boundary and equiaxed dendrites at the center of FZ, with divorced eutectic β-Mg17Al12 particles, were observed. The FLW joints had
S. M. Chowdhury +5 more
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The microstructures, tensile properties, strain hardening, and fatigue strength of fiber-laser-welded (FLW) and diode-laser-welded (DLW) AZ31B-H24 magnesium alloys were studied. Columnar dendrites near the fusion zone (FZ) boundary and equiaxed dendrites at the center of FZ, with divorced eutectic β-Mg17Al12 particles, were observed. The FLW joints had
S. M. Chowdhury +5 more
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Modulated fiber laser welding of high reflective AZ31
The International Journal of Advanced Manufacturing Technology, 2014Power sine modulation fiber laser welding (FLW) of AZ31 magnesium alloy was conducted. When the diameter of transmission fiber and focal spot was 400 μm and 0.4 mm, respectively, the average laser powers for penetrating a 2.7-mm-thick AZ31 plate at a welding speed of 5 m/min were reduced by about 33 % by using modulated FLW.
Lin-Jie Zhang +3 more
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The International Journal of Advanced Manufacturing Technology, 2022
Yuewei Ai +3 more
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Yuewei Ai +3 more
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Welding of dissimilar materials with 1kW fiber laser
ICALEO 2010: 29th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing, 2010Majority of applications in a range of industries i.e. automotive, electronics, medical devices etc requires welding of dissimilar materials. In principle, a laser can weld any material, which can be joined by conventional processes. In the welding of dissimilar metals, good solid solubility is essential for sound weld properties. The trends of welding
Mohammed Naeem +2 more
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The International Journal of Advanced Manufacturing Technology, 2021
I. Tlili +4 more
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I. Tlili +4 more
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Dynamic interaction between a laser beam and keyhole front wall during fiber laser welding
Laser physics, 2019A bright spot (laser beam spot-center-induced metal vapor) on the keyhole front wall (KFW) was observed during fiber laser keyhole welding of a ‘sandwich’ specimen to reveal the interaction between the laser beam and the KFW.
S. Guo, Q. Wu, J. Zou, R. Xiao, N. Ha
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Development of Remote Welding System Using Fiber Laser
Materials Science Forum, 2008In recent years, many of automotive companies are using laser welding in car body assembly shop. Even though laser welding is better than resistance spot welding in many points, its application has been limited in special manufacturing areas. This paper describes a new laser welding system named by Remote Welding System (RWS) developed at Hyundai Motor
Ki Soon Kim +3 more
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