Journal ArticleDOI
FEM prediction of welding residual stress and distortion in carbon steel considering phase transformation effects
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TLDR
In this article, the authors investigated the effects of solid-state phase transformation on welding residual stress and distortion in low carbon and medium carbon steels, based on a sequentially coupled thermal, metallurgical, mechanical 3-D finite element model.About:
This article is published in Materials & Design.The article was published on 2009-02-01. It has received 463 citations till now. The article focuses on the topics: Welding & Residual stress.read more
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Thermo-mechanical analysis of Wire and Arc Additive Layer Manufacturing process on large multi-layer parts
Jialuo Ding,Paul A. Colegrove,Jörn Mehnen,Supriyo Ganguly,P. M. Sequeira Almeida,Fude Wang,Stewart W. Williams +6 more
TL;DR: In this article, the authors describe the thermo-mechanical behavior of the multi-layer wall structure made by the wire and arc additive layer manufacturing (WAALM) process.
Journal ArticleDOI
An experimental–numerical investigation of heat distribution and stress field in single- and multi-track laser cladding by a high-power direct diode laser
TL;DR: In this article, a 3D transient uncoupled thermo-elastic-plastic model was developed to simulate a thermal process during the single and multi-track laser cladding and the thermally-induced residual stress in the laser.
Journal ArticleDOI
Effect of welding sequence on residual stress and distortion in flat-bar stiffened plates
TL;DR: In this article, the influence of welding sequences on the distribution of residual stress and distortion generated when welding a flat-bar stiffener to a steel plate was investigated and their effects on the ultimate strength of the stiffened plate under uniaxial compression were discussed.
Journal ArticleDOI
Effects of low-temperature transformation and transformation-induced plasticity on weld residual stresses: Numerical study and neutron diffraction measurement
TL;DR: In this paper, the weld residual stresses (RS) in a 25mm thick ferrite steel plate with newly developed low-temperature transformation (LTT) welding wire were investigated by finite element method and neutron diffraction (ND) measurement.
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Numerical analysis and experimental investigation of welding residual stresses and distortions in a T-joint fillet weld
TL;DR: In this paper, a numerical and experimental study of residual stresses and distortions induced by the T-joint welding of two plates is performed by using a shell/three-dimensional modeling technique to improve both computational efficiency and the accuracy.
References
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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.
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A general equation prescribing the extent of the austenite-martensite transformation in pure iron-carbon alloys and plain carbon steels
D.P. Koistinen,R.E. Marburger +1 more
Journal ArticleDOI
Developments in martensitic and bainitic steels: role of the shape deformation
TL;DR: In this paper, a framework which relates the atomic mechanism to the engineering scale is presented, within which the deformation caused by transformation eliminates residual stresses, with extraordinary improvements in the fatigue life of constrained assemblies of metal.
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Numerical analysis of GTA welding process with emphasis on post-solidification phase transformation effects on residual stresses
TL;DR: In this paper, the residual stress state in spot welds made in an HY-100 steel disk by an autogenous gas tungsten arc (GTA) welding process was analyzed.
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Deformation and fracture in martensitic carbon steels tempered at low temperatures
TL;DR: In this article, the authors reviewed the strengthening and fracture mechanisms that operate in carbon and low-alloy carbon steels with martensitic microstructures tempered at low temperatures, between 150 °C and 200 °C.
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