| People | Locations | Statistics |
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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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Ferenc, Jarosław
Warsaw University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2020Stimulation of shear-transformation zones in metallic glasses by cryogenic thermal cyclingcitations
- 2020Influence of W addition on phase constitution, microstructure and magnetic properties of the nanocrystalline Pr<inf>9</inf>Fe<inf>65</inf>WxB<inf>26-x</inf> (Where: x = 2, 4, 6, 8) Alloy Ribbons
- 2019New approach to amorphization of alloys with low glass forming ability via selective laser meltingcitations
- 2019Structure, thermal stability and magnetic properties of mechanically alloyed (Fe-Al)-30vol.%B powderscitations
- 2017Thermal characteristics and amorphization in plasma spray deposition of Ni-Si-B-Ag alloy citations
- 2012Directly quenched nanocrystalline (Pr,Dy)-(Fe,Co)-Zr-Ti-B magnetscitations
- 2010The supercooled liquid region span of Fe-based bulk metallic glassescitations
- 2009Correlation between microstructure and temperature dependence of magnetic properties in Fe60 Co18 (Nb,Zr) 6 B15 Cu1 alloy seriescitations
- 2007Mössbauer study on amorphous and nanocrystalline (Fe1−xCox)86Hf7B6Cu1 alloyscitations
- 2005Influence of structure on coercivity in nanocrystalline (Fe1−xCox)86Hf7B6Cu1 alloyscitations
- 2004Crystallisation behaviour of rapidly quenched cast irons with small amount of boroncitations
Places of action
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article
New approach to amorphization of alloys with low glass forming ability via selective laser melting
Abstract
he paper presents a new approach to selective laser melting (SLM) of alloys with low glass-forming ability and the basics of microstructure evolution during SLM of iron-based metallic glasses. After extensive parameters optimization, a novel scanning strategy, involving two-step melting, comprising preliminary laser melting, followed by short-pulse amorphization, has been introduced to maximize the glassy phase fraction and ensure good magnetic properties. Single melted samples show poor amorphization with well separated amorphous regions and coercivity of 1032 A/m. Second melting increased the glassy phase content by over an order of magnitude - up to 89.6% and reduced coercive force over four-times to 238 A/m. X-ray diffractions show significant difference between, arising from melt, disordered Fe(Si) phase and devitrified, ordered Fe 3 Si. Coexistence of those phases has been shown in heat affected zone by electron diffraction. Beneficial effect of the novel remelting strategy has been explained on the basis of restricted crystallization in heat-affected zone and reduction of sample overheating, by application of the Point-Random strategy.