Stress Analysis of Dissimilar Metal Weld between Carbon Steel and Stainless Steel formed by Transition Grading Technique

Dissimilar metal joints formed by conventional welding create residual stresses at the interfaces and lead to early failure than the expected life. The relegated methods of welding those lead to complexities in DMW are to be replaced by advance techniques. The novel innovative technique such as Lase...

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Bibliographic Details
Main Authors: Chaudhari, Rakesh, Ingle, Asha, Kalita, Kanak
Format: Conference Proceeding
Language:English
Subjects:
Dissimilar Metal Weld
Laser Engineered Net Shaping
Stainless Steel and Carbon steel
Transition Grading Method
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Summary:Dissimilar metal joints formed by conventional welding create residual stresses at the interfaces and lead to early failure than the expected life. The relegated methods of welding those lead to complexities in DMW are to be replaced by advance techniques. The novel innovative technique such as Laser Engineered Net Shaping uses deposition process which controls the composition and properties of joining metal as function of its position. The present paper aims at modelling and stress analysis of dissimilar metal joint of carbon and stainless steel formed by transition grading method. The geometrical model of DMW with 1085 Carbon Steel and SS 316 is developed on the basis of real world application. The stresses at different temperature are evaluated with different loading conditions. The appreciable reduction in stresses is observed at the interface as compared to joints formed by conventional welding methods. It is also found that stresses concentration reduces with number of layers deposited to form weld zone.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2015.07.093