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Title: Investigations on effect of direction of welding on distortion in combined butt and filled joint using finite element analysis
Authors: Kumanan, S
Vaghela, S J
Keywords: Finite element analysis;Angular distortion;Weld sequence;Weld direction;Gas metal arc welding
Issue Date: Jun-2017
Publisher: NISCAIR-CSIR, India
Abstract: Weld distortion is one of the important quality measures. Because of non-linearity of variables and interaction among them, it is difficult to predict its behavior. In this study, a three dimensional thermo mechanical finite element analysis is carried out to understand effect of weld direction; and start and end points on angular distortion of combined butt and fillet weld joint using gas metal arc welding. Seven different weld sequences are considered to study the effects. The geometry is modeled using visual mesh and simulated using visual weld. Moving heat source is considered as double ellipsoidal volumetric heat source available in code. Results obtained from numerical analysis depict the effect of different sequences on angular distortion.
Page(s): 201-206
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.24(3) [June 2017]

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