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1 July 2015 Nano-hardness and microstructure of selective laser melted AlSi10Mg scan tracks
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Proceedings Volume 9657, Industrial Laser Applications Symposium (ILAS 2015); 965702 (2015) https://doi.org/10.1117/12.2190015
Event: Industrial Laser Applications Symposium 2015, 2015, Kenilworth, United Kingdom
Abstract
Selective laser melting (SLM) of aluminium alloys faces more challenges than other ongoing alloys such as stainless steels and titanium alloys because of the material’s properties. It is important to study single scan tracks if high density large parts are to be made since they are the primary building blocks. In this study, the geometrical features of AlSi10Mg tracks indicated keyhole mode melting domination. Chemical composition mapping and nanoindentation showed enhanced nano-hardness in SLM material over conventional material with no spatial variation. This is due to a homogeneous elemental distribution and fine microstructure developed by fast solidification.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nesma T. Aboulkhair, Ian Maskery, Chris Tuck, Ian Ashcroft, and Nicola Everitt "Nano-hardness and microstructure of selective laser melted AlSi10Mg scan tracks", Proc. SPIE 9657, Industrial Laser Applications Symposium (ILAS 2015), 965702 (1 July 2015); https://doi.org/10.1117/12.2190015
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