Results 21 to 30 of about 4,345,609 (279)
Applied Sciences, 2018 This study aims to reveal the cause of different weld formation quality for varying welding position in the GTAW (Gas Tungsten Arc Welding) of a thick-sheet aluminum alloy structure.
Baohua Chang +6 more
doaj +1 more source
Fault welding by pseudotachylyte formation [PDF]
Geology, 2016 Abstract During earthquakes, melt produced by frictional heating can accumulate on slip surfaces and dramatically weaken faults by melt lubrication. Once seismic slip slows and arrests, the melt cools and solidifies to form pseudotachylytes, the presence of which is commonly used by geologists to infer earthquake slip on exhumed ...
Mitchell, Thomas M. +4 more
openaire +3 more sources
Effect of torch angle on arc properties and weld pool shape in stationary GTAW [PDF]
, 2013 In this paper, a three dimensional numerical simulation is performed on a stationary arc to study the effect of torch angle in gas tungsten arc welding (GTAW) of SS304 stainless steel.
Parvez, Shahid +4 more
core +4 more sources
Metals, 2023 In the welding process of thick plate narrow gap pulse gas metal arc welding (P-GMAW) overhead welding station, the arc characteristics and droplet transfer behavior that become more complex due to the combined effects of narrow gap groove, gravity, and ...
Yang Bao +3 more
doaj +1 more source
Effect of Microstructure on Mechanical Properties of High Strength Steel Weld Metals [PDF]
, 2004 The effects of variations in alloying content on the microstructure and mechanical properties of high strength steel weld metals have been studied. Based on neural network modelling, weld metals were produced using shielded metal arc welding with nickel ...
Keehan, Enda
core +2 more sources
Modelling distortion reduction on pre- and post-weld rolled gas metal arc welded plates [PDF]
, 2011 Residual stress generated during welding can cause distortion, especially when appliedon relatively thin plates. There are several standard and well documented techniquesto reduce distortion and residual stress after welding, however these techniques ...
Colegrove, Paul A. +3 more
core +3 more sources
Metals, 2022 Laser-arc hybrid welding of AZ31B magnesium alloy was carried out in this paper, and the effects of welding parameters (laser power, welding speed, welding current) on weld formation, microstructure evolution and mechanical property were studied.
Sibo Wang, Chunyan Yan, Zhengjia Gu
doaj +1 more source
Metals, 2023 For the welding process of thick-walled structural components in liquid rocket engines, the activated-flux TIG method can effectively address issues such as the formation of intermetallic phases in the weld seams, thereby enhancing mechanical performance.
Shiqi Yue +5 more
doaj +1 more source
Microstructure Development during Low-Current Resistance Spot Welding of Aluminum to Magnesium
Journal of Manufacturing and Materials Processing, 2019 Resistance spot welding of aluminum (Al5754) to magnesium (AZ31B) alloys results in the formation of a variety of solidification microstructures and intermetallic compounds that may affect the in-service performance of the weld.
Kavian O. Cooke, Tahir I. Khan
doaj +1 more source
eXPRESS Polymer Letters, 2019 In this paper, a kind of polypropylene (PP) foam plastic parts with special weld lines were obtained by core-back foam injection molding with chemical blowing agent. A new kind of weld line was found and its formation process was proposed.
H. Wu +4 more
doaj +1 more source