Results 11 to 20 of about 4,954 (242)

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

Investigation of Diffusible Hydrogen Concentration in Gas Metal Arc Brazing by Carrier Gas Hot Extraction Method Referring to ISO 3690

open access: yesHydrogen, 2022
Arc brazing is an alternative joining technology well-suited for processing thermally sensitive materials and to produce mixed material connections.
Oliver Brätz   +3 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

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

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

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

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

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

Optimization of welding parameters on weld deposits area in pulsed gas metal arc welding [PDF]

open access: yesE3S Web of Conferences
This paper presents a methodology for optimising pulsed gas metal arc welding parameters on Stainless Steel GRADE 410. Most sectors favour the economic welding technique for its favourable outcomes, such as enhanced strength and reduced corrosion ...
Vellaichamy Ramesh   +4 more
doaj   +1 more source

Impact Energy of Weld Metal in CK45 Carbon Steel [PDF]

open access: yesIranica Journal of Energy and Environment, 2020
Due to high joint efficiency, welding is widely used to join materials. Today, there are many types of welding procedures in different manufacturing industries. Among welding procedures, Gas Metal Arc Welding (GMAW) is a versatile process due to its high
H. R. Ghazvinloo
doaj   +1 more source

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