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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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Żrodowski, Łukasz
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Microstructure and Corrosion of Mg-Based Composites Produced from Custom-Made Powders of AZ31 and Ti6Al4V via Pulse Plasma Sinteringcitations
- 2024Polymer‐based filaments with embedded magnetocaloric <scp>Ni‐Mn‐Ga</scp> Heusler alloy particles for additive manufacturingcitations
- 2023How to control the crystallization of metallic glasses during laser powder bed fusion? Towards part-specific 3D printing of in situ compositescitations
- 2023Selective Laser Melting of Fe-Based Metallic Glasses With Different Degree of Plasticitycitations
- 2023Atomisation of Ti-6Ta-1.5Zr-0.2Ru-5Cu (wt%) for additive manufacturing for biomedical applicationscitations
- 2022A comparison of the microstructure-dependent corrosion of dual-structured Mg-Li alloys fabricated by powder consolidation methods: Laser powder bed fusion vs pulse plasma sinteringcitations
- 2022How to Control the Crystallization of Metallic Glasses During Laser Powder Bed Fusion? Towards Part-Specific 3d Printing of in Situ Composites
- 2021Ultrashort Sintering and Near Net Shaping of Zr-Based AMZ4 Bulk Metallic Glasscitations
- 2021Microstructure and magnetic properties of selected laser melted Ni-Mn-Ga and Ni-Mn-Ga-Fe powders derived from as melt-spun ribbons precursorscitations
- 2020Analysis of Microstructure and Properties of a Ti–AlN Composite Produced by Selective Laser Meltingcitations
- 2019New approach to amorphization of alloys with low glass forming ability via selective laser meltingcitations
- 2016The Novel Scanning Strategy For Fabrication Metallic Glasses By Selective Laser Melting
Places of action
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booksection
The Novel Scanning Strategy For Fabrication Metallic Glasses By Selective Laser Melting
Abstract
Metallic Glasses (MGs) can be described as a stable in the room temperature metallic materials with a disordered liquid-like structure produced during rapid cooling of a molten alloy. Due to the limited Glass Forming Ability (GFA), most of the MGs are produced as a thin ribbons through melt-spinning or as a fine powder during atomization processes. Certain multicomponent alloys with exceptionally high GFA, known as Bulk Metallic Glasses (BMGs), can retain disordered structure during copper-mold casting. The size and the complexity of objects produced in a such way is limited by the critical cooling rate. Additive Manufacturing (AM) methods like Selective Laser Melting (SLM) have been shown in a few studies as very perspective for producing BMGs without such limitations. In this work Realizer SLM-50, a desktop SLM machine, was used to selectively melt Kuamet52 Fe Si B Cr-C metallic glass powder with various laser parameters. Material was rescanned with high power density and a novel Pulse-Random (P-R) strategy to achieve high content of glassy phase, despite low GFA of the alloy. Optical Microscopy (OM) was used to preliminary determine material structure. Amorphous structure was confirmed by the Differential Scanning Calorimetry (DSC) while residual crystalline phases were identified by the X-Ray Diffraction (XRD). Microstructural observations revealed, after the first melting in conduction mode, mostly crystalline phases made in samples. After the second melting in key-hole mode, which was performed with P-R strategy, there was observed great increase of amorphous phase content. Samples fabricated with new scanning strategies had amorphisation degree exceeding 60%, with retained α-Fe3Si and FeB2 crystalline phases. Model of the laser melted MGs crystallization, focused on devitrification during laser heating in Heat Affected Zone (HAZ), has been proposed to explain observed phenomena.