A desktop computer model of the arc, weld pool and workpiece in metal inert gas welding ☆
Sign Up to like & getrecommendations! Published in 2017 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2017.01.033
Abstract: Abstract A sophisticated computational model of metal inert gas arc welding of aluminium alloys is presented. The arc plasma, the wire electrode and the workpiece are included in the computational domain self-consistently. The flow in… read more here.
Keywords: workpiece; metal inert; model; geometry ... See more keywords
The effect of pulsed laser welding on hot cracking susceptible region size and weld pool internal geometry of Inconel 718: Numerical and experimental approaches
Sign Up to like & getrecommendations! Published in 2021 at "CIRP Journal of Manufacturing Science and Technology"
DOI: 10.1016/j.cirpj.2021.09.001
Abstract: Abstract A 3D finite-element thermal model has been developed to estimate weld geometry and analyze thermal gradients and cooling rates in pulsed laser welding of Inconel 718 superalloy. Since Inconel 718 superalloy is sensitive to… read more here.
Keywords: inconel 718; hot cracking; geometry; laser welding ... See more keywords
A three-dimensional model of coupling dynamics of keyhole and weld pool during electron beam welding
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.08.010
Abstract: Abstract In electron beam welding (EBW), the coupling dynamics between the keyhole and the weld pool play significant roles in joint quality, yet the mechanisms of these dynamics have not been well understood, since the… read more here.
Keywords: pool; model; weld pool; keyhole weld ... See more keywords
Analysis of the energy propagation in the keyhole plasma arc welding using a novel fully coupled plasma arc-keyhole-weld pool model
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.07.008
Abstract: Abstract The distribution of the energy in the keyhole plasma arc welding process has significant effect on the final weld quality. In this study, a novel fully coupled plasma arc-keyhole-weld pool model is built to… read more here.
Keywords: arc; weld pool; plasma arc; energy ... See more keywords
CMT penetration status prediction based on temperature field distribution of weld pool
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164301
Abstract: Abstract The penetration status of welding seam is an important index for evaluating the welding forming quality, most of the traditional methods for predicting the penetration status are based on the vision sensing method, by… read more here.
Keywords: penetration; penetration status; weld pool; temperature ... See more keywords
Material flow analyses of high-efficiency joint process in VPPA keyhole flat welding by X-ray transmission system
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.119450
Abstract: Abstract The consideration of environment-friendly and low energy consumption tends to control and guide the progress of metal joint manufacturing processes. Variable polarity plasma arc (VPPA) welding is an environment-friendly, high quality and efficiency joint… read more here.
Keywords: metal; keyhole; efficiency joint; weld pool ... See more keywords
Real-time Measurement of Weld Pool Oscillation Frequency in GTAW-P Process
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2017.08.011
Abstract: Abstract Real-time measurement and controlling the degree of weld penetration is a key issue in developing intelligent welding machines. To a certain extent, these welding machines can perform in a manner similar to that of… read more here.
Keywords: weld pool; oscillation; real time; oscillation frequency ... See more keywords
Tungsten cathode-arc plasma-weld pool interaction in the magnetically rotated or deflected gas tungsten arc welding configuration
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2018.01.026
Abstract: Abstract The gas tungsten arc welding (GTAW) arc and weld pool are theoretically and experimentally determined to be rotated or deflected with an extra magnetic field (EMF). The configurations of variational GTAW with respectively extra… read more here.
Keywords: tungsten; arc welding; gas tungsten; weld pool ... See more keywords
Numerical simulation for dynamic behavior of molten pool in tungsten inert gas welding with reserved gap
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2020.07.063
Abstract: Abstract A 3-dimensional transient numerical analysis model of tungsten inert gas (TIG) welding with a reserved gap was established in this study. The loss of the total heat input and change in arc pressure due… read more here.
Keywords: reserved gap; inert gas; pool; weld pool ... See more keywords
The oscillation of stationary weld pool surface in the GTA welding
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Processing Technology"
DOI: 10.1016/j.jmatprotec.2018.01.018
Abstract: Abstract A three-dimensional transient numerical model of a pulsed GTA welding is established based on the volume of fluid (VOF) method to study the oscillation of stationary weld pool surface. The detecting and sensing method… read more here.
Keywords: weld pool; oscillation; oscillation frequency;
Predictions of solute mixing in a weld pool and macrosegregation formation during dissimilar-filler welding of aluminum alloys: Modeling and experiments
Sign Up to like & getrecommendations! Published in 2020 at "Journal of materials research and technology"
DOI: 10.1016/j.jmrt.2020.08.109
Abstract: Abstract The solute mixing phenomena of filler and base metal melts during dissimilar-filler metal-inert gas (MIG) welding are simulated by a multi-phase lattice Boltzmann (LB) model for predicting macrosegregation formation in the weld joint. The… read more here.
Keywords: filler; formation; weld pool; macrosegregation ... See more keywords