Results 31 to 40 of about 240,163 (350)

Numerical Investigation of Arc-Pool-Metal Vapor Behavior in GTAW with an External Magnetic Field

open access: yesMetals, 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

The Impact of Teaching Oxy-Fuel Welding on Gas Metal Arc Welding Skills [PDF]

open access: yes, 2008
Industrial technology programs around the country must be sensitive to the demands of manufacturing and industry as they continue to replace “vocational” curriculum with high-tech alternatives.
Field, Dennis   +3 more
core   +2 more sources

Investigation on the Dynamic Behavior of Weld Pool and Weld Microstructure during DP-GMAW for Austenitic Stainless Steel

open access: yesMetals, 2020
The influence of heat and droplet transfer into weld pool dynamic behavior and weld metal microstructure in double-pulsed gas metal arc welding (DP-GMAW) was investigated by the self-designed high-speed welding photography system. The heat input, the arc
Tao Chen   +5 more
doaj   +1 more source

Mechanical and Microstructural Evaluation of DMAG Welding of Structural Steel

open access: yesAdvances in Mechanical Engineering, 2015
Double channel torch, which allows concentric flow of two different shielding gases, was designed and manufactured in order to pursue double channel torch gas metal arc welding of unalloyed structural steel S235JR (EN 10025-2) with fourteen passes ...
Tolga Mert   +2 more
doaj   +1 more source

A study on shrinkage residual stresses, microstructure and mechanical properties of ASS thick pipe welded by GMAW process

open access: yesMaterials Research Express, 2021
In this investigation, AISI 304LN austenitic stainless steel pipes having 25 mm thickness and 300 mm inner diameter with conventional and narrow groove were welded by continuous current gas metal arc welding (GMAW) and pulse current gas metal arc welding
Sudhir Kumar   +3 more
doaj   +1 more source

Analysis of metal transfer in gas metal arc welding [PDF]

open access: yesAIP Conference Proceedings, 2019
The objective of this research is to find the parameters in gas metal arc welding for the application of steel. The force and velocity with which the droplet falls in the weld pool during the welding process were analysed. The effects of different shielding gases used in the welding process were studied by varying the percentage of different shielding ...
Nabeel Arif   +3 more
openaire   +2 more sources

An adaptive approach to compensate seam tracking error in robotic welding process by a moving fixture

open access: yesInternational Journal of Advanced Robotic Systems, 2018
Welding is one of the most common method of connecting parts. Welding methods and processes are very diverse. Welding can be of fusion or solid state types.
Reza Ebrahimpour   +2 more
doaj   +1 more source

Numerical simulation of arc plasma and molten metal behavior in gas metal arc welding process

open access: yesJournal of Fluid Science and Technology, 2018
In this study, to make clear the phenomena of the gas metal arc welding process more deeply, a simulation model including both the arc plasma and the metal transfer phenomena is constructed and influence of the arc current is numerically investigated ...
Yosuke OGINO   +2 more
doaj   +1 more source

Endohedral Ten‐Vertex Clusters [Ga@Tl10]8− in the Mixed Trielides A8GaTl10 (A=K, Rb, Cs)

open access: yesZeitschrift für anorganische und allgemeine Chemie, Volume 648, Issue 23, December 13, 2022., 2022
Abstract The mixed Ga/Tl trielides A8GaTl10 (A=K, Rb, Cs), which were yielded from stoichiometric melts of the elements, crystallize in the tetragonal K8ZnIn10‐type structure (SG P4/nnc, a=1018.58(3)/1047.14(6)/1077.74(10), c=1363.71(5)/1400.07(8)/1435.4(2) pm, Z=2, R1=0.0187/0.0209/0.0218 for A=K/Rb/Cs).
Bernard Lehmann, Caroline Röhr
wiley   +1 more source

Grain refinement of aluminium welds by Ti, TiB2, and TiC filler wire inoculation [PDF]

open access: yes, 2023
A fine-grained fusion zone characterises a tough aluminium weld. To improve the solidification characteristics and refine the grains in aluminium welding, different inoculation particle combinations were introduced to the filler wire by solid state metal
Kirkbakk, Kjell Martin   +3 more
core   +2 more sources

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