Reactions at the molten flux-weld pool interface in submerged arc welding
High Temperature Materials and Processes, 2021 In submerged arc welding (SAW) of chromium (Cr) containing steels, Cr is usually added to the weld metal from the weld wire, and not from the welding flux.
Coetsee Theresa, De Bruin Frederik
doaj +1 more source
Results in Physics, 2022 Molten pool oscillation behaviors during pulsed microplasma arc welding ultrathin stainless steel sheets were studied based on the numerical simulation, experimentally visual detection, and theoretical calculation. Without altering the average heat input,
Lei Xu +5 more
doaj +1 more source
Formation mechanism of macrosegregation in dissimilar-filler welding of aluminum alloys
Journal of Materials Research and Technology, 2022 Dissimilar-filler welding is widely used for joining aluminum components. However, macrosegregation that will degrade the performance of the weld joint commonly occurs within the weld metal, because of the compositional difference between the filler and ...
Qipeng Dong +4 more
doaj +1 more source
AIP Advances, 2021 A compound external magnetic field (EMF) can be used to prevent weld bead defects by controlling the metal transfer and arc behaviors during high-speed gas metal arc welding.
Lin Wang +3 more
doaj +1 more source
Radiometric Constraints on the Timing, Tempo, and Effects of Large Igneous Province Emplacement
Geophysical Monograph Series, Page 27-82., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jennifer Kasbohm +2 more
wiley +2 more sources
Study on Dynamic Development of Three-dimensional Weld Pool Surface in Stationary GTAW
High Temperature Materials and Processes, 2018 The weld pool contains abundant information about the welding process. In particular, the type of the weld pool surface shape, i. e., convex or concave, is determined by the weld penetration.
Huang Jiankang +4 more
doaj +1 more source
Oscillation Modes of Weld Pool in Stationary GTA Welding Using Structure Laser Method
Chinese Journal of Mechanical Engineering, 2021 Researchers have recently attempted to monitor pool oscillations using the three-dimensional laser vision method. However, the deficiency of simulation software will result in significant capital expenditure.
Xingpei Wu +5 more
doaj +1 more source
In-Process Monitoring of Lack of Fusion in Ultra-Thin Sheets Edge Welding Using Machine Vision
Sensors, 2018 Lack of fusion can often occur during ultra-thin sheets edge welding process, severely destroying joint quality and leading to seal failure. This paper presents a vision-based weld pool monitoring method for detecting a lack of fusion during micro plasma
Yuxiang Hong +6 more
doaj +1 more source
Penetration Estimation of GMA Backing Welding Based on Weld Pool Geometry Parameters
Chinese Journal of Mechanical Engineering, 2019 Penetration estimation is a prerequisite of the automation of backing welding based on vision sensing technology. However, the arc interference in welding process leads to the difficulties of extracting the weld pool characteristic information, which ...
Junfen Huang +4 more
doaj +1 more source
Numerical Investigation of Arc-Pool-Metal Vapor Behavior in GTAW with an External Magnetic Field
Metals, 2020 Gas tungsten arc welding with an external magnetic field is proven to suppress weld defects while improving welding speed. A three-dimensional numerical model that considers interactions among the arc plasma, weld pool, metal vapor, and external magnetic
Yu Han +4 more
doaj +1 more source