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Effect of Scandium and Zirconium Additions on Mechanical Properties of Al–Mg–Mn Alloy

  • Srinivasa Rao Mallipudi
  • Ramanaiah Nallu
Technical Paper
  • 15 Downloads

Abstract

The present study was carried out to investigate the effect of adding Sc–Zr to Al–Mg–Mn alloys on microstructure characteristics and mechanical properties. The investigated alloys, namely Al–4.2Mg–0.6Mn alloy, Al–4.2Mg–0.6Mn–0.2Sc–0.1Zr alloy, Al–4.2Mg–0.6Mn–0.4Sc–0.1Zr alloy, and Al–4.2Mg–0.6Mn–0.6Sc–0.1Zr alloy, were produced by stir casting to form plates and treated with cold rolling. The results showed that the alloying with Sc in combination with Zr had a strong influence on the microstructural characteristics and mechanical properties with significant strengthening of the Al–Mg–Mn alloys.

Keywords

Al–Mg–Mn–Sc–Zr alloy Stir casting Mechanical properties SEM SEM–EDS XRD 

Notes

Acknowledgement

The authors thank DST-PURSE programme, Advanced Analytical Laboratory, Andhra University, Visakhapatnam, for providing Universal Testing Machine, SEM, SEM–EDS, XRD facilities. We would also like to thank Zhuoer Chemical Co., Ltd, China, for supplying the Al–10wt.%Mg, Al–2wt.%Sc, Al–5wt.%Zr, master alloys.

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Copyright information

© The Indian Institute of Metals - IIM 2018

Authors and Affiliations

  1. 1.Department of Mechanical Engineering, A.U. College of Engineering (A)Andhra UniversityVisakhapatnamIndia

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