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Article
Analysis on the technology, microstructure, and mechanical properties of Ti-6Al-4 V alloy narrow gap oscillation laser welding with multi-stranded wire
In this paper, multi-stranded wires were used as the filling material for narrow gap oscillation laser wire filling welding of thick-walled titanium alloy. The effect of laser beam oscillation frequency and di...
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Article
Influence of High-Temperature Annealing on Microstructure and Properties of Welded Joints Using Narrow Gap Laser Welding of TC4 Titanium with Welding Wire
To solve the technical problems of poor strength–plasticity–toughness matching of titanium alloy welded joints, the optimized multi-stranded wires are used as the filler metal for narrow gap laser welding of T...
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Article
Vertical up welding characteristics of 5A06 aluminum alloy by 10 KW-level oscillation laser beam
Vertical up welding of 5A06 aluminum alloy thick plates was conducted by 10-KW-level oscillation laser beam, and the process characteristics were investigated. Results showed the circle oscillation resulted in...
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Article
Analysis of welding solidification crack in narrow gap laser welding of high-strength steel
The welding solidification crack is a common welding defect occurring in the narrow gap laser welded high-strength steel joint, which poses a detrimental effect in reducing the weld quality. However, the relat...
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Article
Infrared measurement and simulation of magnesium alloy welding temperature field
The welding temperature field of magnesium alloy AZ31 welded by TIG was measured with the uncooled infrared (IR) thermal imaging technology. The variables in the mathematic mode of welding temperature fields w...
