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3D printing with moondust
Wolfson School of Mechanical and Manufacturing Engineering, Loughborough University, Loughborough, United Kingdom.
Wolfson School of Mechanical and Manufacturing Engineering, Loughborough University, Loughborough, United Kingdom.ORCID iD: 0000-0002-0480-4079
2016 (English)In: Rapid prototyping journal, ISSN 1355-2546, E-ISSN 1758-7670, Vol. 22, no 6, p. 864-870Article in journal (Refereed) Published
Abstract [en]

Purpose - The purpose of this paper is to investigate the effect of the main process parameters of laser melting (LM) type additive manufacturing (AM) on multi-layered structures manufactured from JSC-1A Lunar regolith (Moondust) simulant powder. Design/methodology/approach - Laser diffraction technology was used to analyse and confirm the simulant powder material particle sizes and distribution. Geometrical shapes were then manufactured on a Realizer SLM™ 100 using the simulant powder. The laser-processed samples were analysed via scanning electron microscopy to evaluate surface and internal morphologies, X-ray fluorescence spectroscopy to analyse the chemical composition after processing, and the samples were mechanically investigated via Vickers micro-hardness testing. Findings - A combination of process parameters resulting in an energy density value of 1.011 J/mm2 allowed the successful production of components directly from Lunar regolith simulant. An internal relative porosity of 40.8 per cent, material hardness of 670 ±11 HV and a dimensional accuracy of 99.8 per cent were observed in the fabricated samples. Originality/value - This research paper is investigating the novel application of a powder bed fusion AM process category as a potential on-site manufacturing approach for manufacturing structures/components out of Lunar regolith (Moondust). It was shown that this AM process category has the capability to directly manufacture multi-layered parts out of Lunar regolith, which has potential applicability to future moon colonization. © Emerald Group Publishing Limited.

Place, publisher, year, edition, pages
Bingley: Emerald Group Publishing Limited, 2016. Vol. 22, no 6, p. 864-870
Keywords [en]
Advanced manufacturing technologies, Ceramic multi-Component materials, Laser additive manufacturing, Lunar regolith, On site resource utilization, Space additive manufacturing
National Category
Manufacturing, Surface and Joining Technology
Identifiers
URN: urn:nbn:se:hh:diva-37847DOI: 10.1108/RPJ-02-2015-0022ISI: 000387560000002Scopus ID: 2-s2.0-84992195895OAI: oai:DiVA.org:hh-37847DiVA, id: diva2:1247251
Available from: 2018-09-11 Created: 2018-09-11 Last updated: 2018-09-24Bibliographically approved

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Friel, R. J.

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