Results 271 to 280 of about 4,651 (312)

Numerical Methods to Predict Distortion in Welded Components

Volume 6: Materials and Fabrication, Parts A and B, 2008
Numerical methods have been established to simulate welding processes. Of particular interest is the ability to predict residual stress fields. These fields are often used in support of structural integrity assessments where they have the potential, when accurately characterised, to offer significantly less conservative predictions of residual profiles
Leggatt, Neil A, Dennis, R J, Bouchard, P J, Smith, M C   +3 more
openaire   +4 more sources

Effect of Transformation Temperature of Weld Metal on Welding Distortion

Volume 5: Materials Technology; CFD and VIV, 2008
Welding distortion during welding is an inevitable outcome of weld metal shrinkage due to non-uniform heating and cooling in welded joints. Several studies have investigated methods of estimating and controlling welding distortion in order to construct steel structures correctly, easily and efficiently.
Yasushi Morikage, Takahiro Kubo, Koichi Yasuda, Yoshiki Mikami, Masahito Mochizuki, Hirohisa Watanabe   +5 more
openaire   +1 more source

Effect of Weld Groove Area on Distortion of Butt Welded Joints in Submerged Arc Welding

International Journal of Manufacturing, Materials, and Mechanical Engineering, 2018
This article describes how welding is the most prominent process for joining components into complex assemblies or structures. The various distortions induced by the welding process due to the inherent local non-uniform heating and cooling cycles associated with the joining processes.
Mahendramani G, Lakshmana Swamy N
openaire   +1 more source

Welding residual stress and distortion

1992
A characteristic of application-oriented analysis of welding residual stress and distortion is the mainly decoupled representation of the thermal, mechanical and microstructural processes (illustrated by the line arrows in Fig. 3). The basis of stress and distortion analysis is the temperature field during welding, determined numerically or by ...
openaire   +1 more source

A Study on Analysis of Weld Distortion in Multi-pass Arc Welding

AIP Conference Proceedings, 2011
Since prediction and control of welding deformation are one of an important problems connected with reliability of the manufactured structures, welding deformation should be measured and controlled with quickly and actively. Also, welding variables which have lots of effects on welding deformation such as arc voltage, welding current and welding speed ...
J. H. Lee, I. S. Kim, H. K. Jang, H. J. Kim, S. K. Kwak, H. S. Ryoo, S. H. Hong, J. Y. Shim, Francisco Chinesta, Yvan Chastel, Mohamed El Mansori   +10 more
openaire   +1 more source

The effect of tack welding on numerically calculated welding-induced distortion

Journal of Materials Processing Technology, 2012
Abstract A single-layer pulsed gas metal arc weld of structural steel S355J2+N with a thickness of 5 mm is experimentally and numerically investigated. Two tack welds are considered in the numerical simulation into two different ways. First, the tack welds are represented by elements belonging to the initial material. This implies that the “tack weld
C. Heinze, C. Schwenk, M. Rethmeier
openaire   +1 more source

Welding Residual Stress and Distortion

2016
The panels, subassemblies and assemblies being welded are subjected to thermal cycles of heating followed by cooling. It causes shrinkage forces to develop in the welded panels. The shrinkage forces tend to cause different degrees of distortion.
openaire   +1 more source

Prediction and Accuracy of Welding Distortion

The Proceedings of the Materials and processing conference, 2003
You Chul KIM, Jae Yik LEE, Kotaro INOSE
openaire   +1 more source

Minimizing buckling distortion in welding by weld cooling

2011
J. Li, Q.-Y. Shi
openaire   +1 more source

Understanding residual stress and distortion in welds

2005
C.L. TSAI, D.S. KIM
openaire   +1 more source