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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Sercombe, Tim
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2023On the importance of nano-oxide control in laser powder bed fusion manufactured Ni-based alloys to enhance fracture propertiescitations
- 2023Dynamic constitutive behavior of LPBFed metal alloyscitations
- 2022Bioactivity and biodegradability of high temperature sintered 58S ceramicscitations
- 2022High strain-rate response of additively manufactured light metal alloyscitations
- 2020The effect of drying method on the surface structure of mesoporous sol-gel derived bioactive glass-ceramiccitations
- 2018Mechanical behaviour of alginate-gelatin hydrogels for 3D bioprintingcitations
- 2017On the Breakdown of SiC during the Selective Laser Melting of Aluminum Matrix Compositescitations
- 2016A 3D printed superconducting aluminium microwave cavitycitations
- 2016Selective laser melting of Zr-based bulk metallic glassescitations
- 2016Selective laser melting of Al-12Si alloy: Enhanced densification via powder dryingcitations
- 2011Manufacture by selective laser melting and mechanical behavior of a biomedical Ti-24Nb-4Zr-8Sn alloycitations
- 2008Heat treatment of Ti-6Al-7Nb components produced by selective laser meltingcitations
- 2008Process repeatability and sources of error in indirect SLS of aluminiumcitations
- 2007The Effect of Particle Shape on the Sintering of Aluminumcitations
- 2006Process shrinkage and accuracy during indirect laser sintering of aluminiumcitations
- 2005Sintering of maraging steel with phosphorous additionscitations
- 2004On the role of magnesium and nitrogen in the infiltration of aluminium by aluminium for rapid prototyping applicationscitations
- 2004On the role of tin in the infiltration of aluminium by aluminium for rapid prototyping applicationscitations
- 2003Sintering of freeformed maraging steel with boron additionscitations
- 2003The effect of resin type on the sintering of freeformed maraging steelcitations
- 2003On the sintering of uncompacted, pre-alloyed Al powder alloyscitations
- 2003Rapid manufacturing of aluminum componentscitations
- 2001Liquid phase sintering of aluminium alloyscitations
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article
Selective laser melting of Al-12Si alloy: Enhanced densification via powder drying
Abstract
© 2016 Elsevier B.V. Unlike conventional powder metallurgy techniques, selective laser melting (SLM) is characterised by its fully melting process and very high heating and cooling rates and little has been known about the influence of powder surface state on the SLM process. In this study, the influence of low temperature powder drying on the surface chemistry of Al-12Si powder and its subsequent effect on SLM was investigated in detail by means of an in-depth X-ray photoelectron spectroscopy. An enhanced densification (relative density =99%) was achieved in the dried Al-12Si powder compared to the as-received powder. This has been attributed to the modification of powder surface by removing a moisture skin during the drying process, which prevents the formation of deleterious oxide and hydroxide during SLM. This study provides important information for achieving high relative density in SLM fabricated metal components from a powder drying aspect.