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Metals 2017, 7(1), 2; doi:10.3390/met7010002

Selective Laser Melting of Magnesium and Magnesium Alloy Powders: A Review

Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore
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Author to whom correspondence should be addressed.
Academic Editor: Hugo F. Lopez
Received: 9 September 2016 / Revised: 9 November 2016 / Accepted: 15 December 2016 / Published: 26 December 2016
(This article belongs to the Special Issue 3D Printing of Metals)
View Full-Text   |   Download PDF [6938 KB, uploaded 26 December 2016]   |  

Abstract

Magnesium-based materials are used primarily in developing lightweight structures owing to their lower density. Further, being biocompatible they offer potential for use as bioresorbable materials for degradable bone replacement implants. The design and manufacture of complex shaped components made of magnesium with good quality are in high demand in the automotive, aerospace, and biomedical areas. Selective laser melting (SLM) is becoming a powerful additive manufacturing technology, enabling the manufacture of customized, complex metallic designs. This article reviews the recent progress in the SLM of magnesium based materials. Effects of SLM process parameters and powder properties on the processing and densification of the magnesium alloys are discussed in detail. The microstructure and metallurgical defects encountered in the SLM processed parts are described. Applications of SLM for potential biomedical applications in magnesium alloys are also addressed. Finally, the paper summarizes the findings from this review together with some proposed future challenges for advancing the knowledge in the SLM processing of magnesium alloy powders. View Full-Text
Keywords: selective laser melting (SLM); magnesium; additive manufacturing; microstructure; mechanical properties; corrosion behavior selective laser melting (SLM); magnesium; additive manufacturing; microstructure; mechanical properties; corrosion behavior
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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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Manakari, V.; Parande, G.; Gupta, M. Selective Laser Melting of Magnesium and Magnesium Alloy Powders: A Review. Metals 2017, 7, 2.

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