Nano-hardness and microstructure of selective laser melted AlSi10Mg scan tracks

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Aboulkhair, Nesma T., Tuck, Christopher, Maskery, Ian, Ashcroft, Ian and Everitt, Nicola (2015) Nano-hardness and microstructure of selective laser melted AlSi10Mg scan tracks. In: Industrial Laser Applications Symposium (ILAS 2015), 17-18 March 2015, Kenilworth, UK.

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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.

Item Type: Conference or Workshop Item (Paper)
RIS ID: https://nottingham-repository.worktribe.com/output/752834
Additional Information: Copyright 2015 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Schools/Departments: University of Nottingham, UK > Faculty of Engineering
Identification Number: 10.1117/12.2190015
Depositing User: Eprints, Support
Date Deposited: 20 May 2016 16:50
Last Modified: 04 May 2020 17:09
URI: https://eprints.nottingham.ac.uk/id/eprint/33430

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