2022
DOI: 10.1177/09544089221087819
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Finite element analysis and experimental investigation of moving heat source model for GMAW deposited mild steel weld bead

Abstract: An investigation has been done to identify the heat source model suitable for numerical modeling of the Gas Metal arc Welding (GMAW) welding process. In the present investigation, a numerical model was constructed to simulate the GMAW welding process through transient thermal analysis for different thermal heat source models for weld deposition of Mild steel considering semi-cylindrical weld bead geometry. The Gaussian heat source with radial coordinate system and double ellipsoidal thermal heat source have be… Show more

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Cited by 10 publications
(6 citation statements)
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“…However, this distribution is not conducive to the formation of a high-quality welded joint. Figure 7c, as demonstrated by Aslam [19], illustrates that the temperature field exhibits a homogeneous distribution of heat production in the thickness direction of the plate when the radius of the movable shaft shoulder is approximately 10% of that of the stir needle's root. In order to examine the correlation between isothermal surfaces and heat generation, a theoretical analysis is conducted on the structure of Group C.…”
Section: 2simulation Analysis Of Heat Generation In Stir Headmentioning
confidence: 75%
“…However, this distribution is not conducive to the formation of a high-quality welded joint. Figure 7c, as demonstrated by Aslam [19], illustrates that the temperature field exhibits a homogeneous distribution of heat production in the thickness direction of the plate when the radius of the movable shaft shoulder is approximately 10% of that of the stir needle's root. In order to examine the correlation between isothermal surfaces and heat generation, a theoretical analysis is conducted on the structure of Group C.…”
Section: 2simulation Analysis Of Heat Generation In Stir Headmentioning
confidence: 75%
“…It was concluded that content of carbon in IS 2062 steel had a significant effect on weldability. Aslam and Sahoo (2022) observed coarse grain structure in HAZ and grain structure with fine columnar nature at penetration and weld bead region. Arunkumar et al.…”
Section: Introductionmentioning
confidence: 96%
“…Conventional welding techniques such as shielded metal arc welding, gas tungsten arc welding, gas metal arc welding (GMAW) and submerged arc welding are widely used for joining the BSK 46 steels. [9][10][11][12][13][14][15][16][17][18] GMAW is preferred over the other arc welding processes because of its cost-effectiveness, higher filling rate, relatively easy to operate and higher productivity. [19][20][21][22][23][24] In GMAW, the arc generated between the workpiece and wire electrode melts the workpiece and produces a permanent joint.…”
Section: Introductionmentioning
confidence: 99%