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    Abstract
2013 (Vol. 5, Issue: 10)
Article Information:

Prediction of Welding Deformation and Residual Stresses in Fillet Welds Using Indirect Couple Field FE Method

Asifa Khurram, Li Hong, Li Li and Khurram Shehzad
Corresponding Author:  Asifa Khurram 

Key words:  Couple field, finite element method, fillet weld, residual stresses, symmetrical boundary condition, ,
Vol. 5 , (10): 2934-2940
Submitted Accepted Published
September 13, 2012 September 19, 2012 March 25, 2013
Abstract:

Fillet welds are extensively used in shipbuilding, automobile and other industries. Heat concentrated at a small area during welding induces distortions and residual stresses, affecting the structural strength. In this study, indirect coupled-field method is used to predict welding residual stresses and deformation in a fillet joint due to welding on both sides. 3-D nonlinear thermal finite element analysis is performed in ANSYS software followed by a structural analysis. Symmetrical boundary conditions are applied on half of the model for simplification. Results of FE structure analysis predict residual stresses in the specimen. A comparison of simulation results with experimental values proves the authenticity of the technique. The present study can be extended for complex structures and welding techniques.
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  Cite this Reference:
Asifa Khurram, Li Hong, Li Li and Khurram Shehzad, 2013. Prediction of Welding Deformation and Residual Stresses in Fillet Welds Using Indirect Couple Field FE Method.  Research Journal of Applied Sciences, Engineering and Technology, 5(10): 2934-2940.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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