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Experimental and numerical studies on friction welding of thixocast A356 aluminum alloy

Singh, Shailesh K and Chattopadhyay, K and Phanikumar, G and Dutta, P (2014) Experimental and numerical studies on friction welding of thixocast A356 aluminum alloy. In: ACTA MATERIALIA, 73 . pp. 177-185.

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Official URL: http://dx.doi.org/10.1016/j.actamat.2014.04.019


This paper highlights the role of globular microstructure on the weldability of semi-solid processed aluminum alloys via high temperature flow behavior. The investigation was carried out on the joining of thixocast A356 aluminum alloy components by friction welding. A thermomechanical model was developed to predict the temperature and stress distributions, as well as to identify the suitable and safe range of parameters. Good comparisons between numerical and experimental results were observed. In addition, metallographic examinations and hardness and tensile tests of the welded samples were carried out. It was found that the tensile strength of the joint is higher than the tensile strength of the parent material for the optimum set of parameters. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Keywords: Friction welding; Temperature measurement; Constitutive equation; von Mises stress; Microstructure
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 11 Aug 2014 04:39
Last Modified: 11 Aug 2014 04:39
URI: http://eprints.iisc.ac.in/id/eprint/49534

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