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A Novel Turning-Induced-Deformation Based Technique to Process Magnesium Alloys

1
Department of Mechanical Engineering, National University of Singapore, Singapore 117575, Singapore
2
Department of Mechanical Engineering, Sastra Deemed University, Tamilnadu 613401, India
*
Author to whom correspondence should be addressed.
Metals 2019, 9(8), 841; https://doi.org/10.3390/met9080841
Received: 9 July 2019 / Revised: 23 July 2019 / Accepted: 26 July 2019 / Published: 29 July 2019
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Abstract

A magnesium alloy was fabricated through the consolidation of chips accumulated during the turning process, followed by cold compaction and hot extrusion. A variation in the depths of cut was done during turning to understand the effect of deformation imparted during primary processing on the mechanical properties of an AZ91 alloy (Mg–9 wt.% Al–1 wt.% Zn–0.3 wt.% Mn). The results revealed a significant improvement in compressive strengths (up to 75%) with increased depth of cut, without compromising ductility through the development of fine-grained structures and prior plastic strain induction. This approach resulted in superior materials vis-a-vis conventional deformation techniques and promotes cost and energy efficiency through recycling industrial metal swarf, which is a significant environmental and economic concern. View Full-Text
Keywords: magnesium; turning; deformation; processing; strength magnesium; turning; deformation; processing; strength
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Tekumalla, S.; Ajjarapu, M.; Gupta, M. A Novel Turning-Induced-Deformation Based Technique to Process Magnesium Alloys. Metals 2019, 9, 841.

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