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Selective Laser Melting Of Magnesium Alloys

  • : Lucas Jauer1, Wilhelm Meiners1, Simon Vervoort2, Christoph Gayer3, Naemi Zumdick4, Daniela Zander5
  • : 1Fraunhofer Institute for Laser Technology ILT, 2RWTH-Aachen University, 3Fraunhofer Institute for Laser Technology, 4RWTH Aachen University, 5RWTH Aachen
  • : PDF Download
  • : 2016

Abstract

Magnesium alloys are counted among the most challenging materials to process by means of Selective Laser Melting (SLM). This is mainly due to their low evaporation temperature compared to e.g. aluminum or titanium alloys but a similar reactivity. However, the demand for additively manufactured parts out of magnesium alloys is growing. Advantages of AM such as cost efficient prototyping, the manufacture of e.g. topology optimized parts for lightweight applications or even of individualized biodegradable implants with interconnected porosities could be realized by SLM of magnesium alloys.

This study will present solutions to overcome the challenges in processing magnesium alloys by means of SLM. Furthermore, the microstructure and mechanical properties of SLM parts out of the magnesium alloys AZ91 and WE43 as well as demonstrators for lightweight and medical applications are shown.

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