Email this article Microstructure and Mechanical Properties of Welded Joints of Aluminum Alloy AA7020-T6 Obtained by Friction Stir Welding
- Authors: Srinivasa Rao G.1, Subba Rao V.V.2, Rao S.R.3
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Affiliations:
- Department of Mechanical Engineering, SRM University
- Department of Mechanical Engineering, JNTUK
- Department of Mechanical Engineering, SSN College of Engineering
- Issue: Vol 59, No 3-4 (2017)
- Pages: 139-144
- Section: Article
- URL: https://journal-vniispk.ru/0026-0673/article/view/235592
- DOI: https://doi.org/10.1007/s11041-017-0117-x
- ID: 235592
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Abstract
Plates from alloy AA7020 (Al – Zn – Mg) with a thickness of 4.5 mm are studied after T6 heat treatment and friction stir welding. Tensile and bending tests are performed. The hardness of the welds is measured in transverse direction. The microstructure over cross section of a weld is studied by the methods of light and transmission electron microscopy. The weldability of alloy AA7020 by friction stir welding is shown to be high.
About the authors
G. Srinivasa Rao
Department of Mechanical Engineering, SRM University
Author for correspondence.
Email: gsrinu1882@gmail.com
India, NCR Campus, Delhi
V. V. Subba Rao
Department of Mechanical Engineering, JNTUK
Email: gsrinu1882@gmail.com
India, Kakinada
S. R. K. Rao
Department of Mechanical Engineering, SSN College of Engineering
Email: gsrinu1882@gmail.com
India, Chennai
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