Journal ArticleDOI
Mitigation of residual stresses and distortions in thin aluminium alloy GMAW plates using different heat sink models
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TLDR
In this paper, the residual stresses and distortions in thin butt-welded aluminium alloy 5052-H32 plates during gas metal arc welding process were minimized by using three different heat sink models employing thick backing plate and cooling fluids.About:
This article is published in Journal of Manufacturing Processes.The article was published on 2016-04-01. It has received 34 citations till now. The article focuses on the topics: Residual stress & Heat sink.read more
Citations
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Experimental investigation and numerical analyses of residual stresses and distortions in GMA welding of thin dissimilar AA5052-AA6061 plates
TL;DR: In this paper, an experimental investigation involving gas metal arc welding is carried out to determine the temperature distribution, longitudinal and transverse residual stresses and distortions in joining two thin dissimilar aluminium alloys AA5052 and AA6061 plates.
Journal ArticleDOI
Thermal fields and residual stresses analysis in TIG weldments of SS 316 and Monel 400 by numerical simulation and experimentation
TL;DR: In this paper, the effect of constant and pulse arc TIG welding processes, the development of thermal fields and residual stresses in dissimilar weldments of SS 316 and Monel 400 are investigated.
Journal ArticleDOI
Experimental and Numerical Assessment of Temperature Field and Analysis of Microstructure and Mechanical Properties of Low Power Laser Annealed Welded Joints.
Uday Kumar,Deepak Kumar Gope,Jay Prakash Srivastava,Somnath Chattopadhyaya,A. K. Das,Grzegorz Królczyk +5 more
TL;DR: Appreciable agreement is found between the experimental and the simulated temperature fields in most of the cases with few exceptions, but deviations on few occasions may be due to the presence of uncertainties inherently present in the experimental domain and uncertainties in the subsequent temperature sensing techniques by the thermocouples.
Journal ArticleDOI
Magnetism aided mitigation of deformation and residual stress in dissimilar joint 316L with EH36
TL;DR: In this paper, a simulation method by integrating image extraction and fitting of actual weld profile into thermal elastic plastic finite element analysis was proposed to evaluate welding deformation and residual stress in the dissimilar joint with an asymmetrical weld shape.
References
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Book
Fundamentals of Heat and Mass Transfer
TL;DR: This paper introduced the physical effects underlying heat and mass transfer phenomena and developed methodologies for solving a variety of real-world problems, such as energy minimization, mass transfer, and energy maximization.
Journal ArticleDOI
A new finite element model for welding heat sources
TL;DR: In this article, a double ellipsoidal geometry is proposed to model both shallow penetration arc welding processes and the deeper penetration laser and electron beam processes, which can be easily changed to handle non-axisymmetric cases such as strip electrodes or dissimilar metal joining.
Book
Computational welding mechanics
John A. Goldak,Mehdi Akhlaghi +1 more
TL;DR: In this article, a computer simulation of Welding Processes is presented, where the evolution of microstructure depending on temperature and deformation of the Welded Structures and applications of welding in Industrial Fields.
Journal ArticleDOI
Effects of temperature-dependent material properties on welding simulation
X.K. Zhu,Yuh J. Chao +1 more
TL;DR: In this article, the effect of each temperature-dependent material property on the transient temperature, residual stress and distortion in computational simulation of welding process is investigated, and an engineering approach suggests using simplified properties constituted by a piecewise linear function with temperature for the yield stress and constant room temperature values of all other properties for computational weld simulation.