Results 211 to 220 of about 19,220 (254)

Three-Dimensional Weld Pool Monitoring and Penetration State Recognition for Variable-Gap Keyhole Tungsten Inert Gas Welding Based on Stereo Vision. [PDF]

Sensors (Basel)
Wang Z, Shi Y, Cui Y, Yan W.
europepmc   +1 more source

Pulsed current gas tungsten arc welded joint of ASTM A105-AISI 316L steels: Failure analysis and susceptibility to hydrogen embrittlement under slow strain rate tensile tests, and hydrogen sulfide corrosion

Masoud Sabzi, H.R. Jafarian, Amin Abdollahzadeh, S.H. Mousavi Anijdan, A.R. Eivani   +4 more
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Investigation of laser factors influence on strength of laser spot welding of 316 stainless steel using the designing experiments method.

Sci Rep
Hadavi M, Rostami H, Nickabadi S, Rostami E, Moradalian H.   +4 more
europepmc   +1 more source

Neurofuzzy control of weld penetration in gas tungsten arc welding [PDF]

Science and Technology of Welding and Joining, 2003
AbstractIn the present paper, a method using the surface geometrical parameters of the weld pool to control the weld penetration is developed. Because detection of the weld penetration is problematic and the back side maximum weld width can reflect weld penetration to some extent, a model describing the relationship between the weld pool surface ...
J. Gao, Chuansong Wu
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Arc power and efficiency in gas tungsten arc welding of aluminium

Science and Technology of Welding and Joining, 2005
A calorimetric study of gas tungsten arc welding of aluminium is described. The present study comprised experiments in which autogenous welding runs were each made on a block of electrical conductor grade aluminium. The blocks were all approximately cubic in shape which, when combined with the high thermal conductivity of aluminium, ensured that their
Cantin, G M, Francis, John
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Determination of gas tungsten arc welding efficiencies

Experimental Thermal and Fluid Science, 1994
A combined experimental/computational technique for the estimation of gas tungsten arc welding (GTAW) efficiencies under quasi-steady conditions is presented. The instantaneous measurements of the weld pool length ahead of and behind the electrode are obtained from digitized free surface images, using a pulsed laser vision system.
C. Franche, Pradip Dutta, Yogendra Joshi
openaire   +2 more sources

Modeling of Transport Phenomena in Gas Tungsten Arc Welding Arc

Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 2012
This paper developed a mathematical model to simulate the transport phenomena in the arc plasma of a gas tungsten arc welding (GTAW) process. The arc model simulated the electromagnetic field in three regions — cathode, arc plasma, and anode; and heat transfer and fluid flow in the arc region.
J. Pallis, J. Hu, X. Yang
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Numerical simulation of the arc pressure in gas tungsten arc welding

Journal of Materials Processing Technology, 1996
Abstract A two-dimensional axisymmetric numerical model has been developed to describe the heat transfer and fluid flow in the gas tungsten welding arc. The electrode-tip geometry is considered in the model and the cathode and arc column regions are included in the solution of the current continuity equation.
Y.W. Shi, H.G. Fan
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Welding structures in gas tungsten arc-welded Zircaloy-4

Metallography, 1982
Abstract Microstructures were obtained by the gas tungsten arc welding of tubes to end caps in Zircaloy-4 fuel elements and analyzed metallographically. This article characterizes the structures and the relationships between the operative variables and structural elements and properties.
María Eugenia Saggese, Teresa Estela Perez   +1 more
openaire   +2 more sources