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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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| 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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| 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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| 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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Li, Sheng
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Topics
Publications (12/12 displayed)
- 2023The effect of thermal post-processing treatment on laser powder bed fusion processed NiMnSn-based alloy for magnetic refrigerationcitations
- 2023Laser powder bed fusion of the Ni-Mn-Sn Heusler alloy for magnetic refrigeration applicationscitations
- 2022High-density direct laser deposition (DLD) of CM247LC alloycitations
- 2022A Narrowband 3-D Printed Invar Spherical Dual-Mode Filter With High Thermal Stability for OMUXscitations
- 2022Additive manufacturing of novel hybrid monolithic ceramic substratescitations
- 2022Thermal stability analysis of 3D printed resonators using novel materialscitations
- 2021Effect of the preparation techniques of photopolymerizable ceramic slurry and printing parameters on the accuracy of 3D printed lattice structurescitations
- 2021Additive manufacturing of bio-inspired multi-scale hierarchically strengthened lattice structurescitations
- 2018Polymeric coatings with reduced ice adhesion
- 2018Suspended droplet alloyingcitations
- 2016Selective Laser Melting of TiNi Auxetic Structures
- 2016The development of TiNi-based negative Poisson's ratio structure using selective laser meltingcitations
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article
The effect of thermal post-processing treatment on laser powder bed fusion processed NiMnSn-based alloy for magnetic refrigeration
Abstract
This study investigates the effects of heat treatment (HT) time (one, two, and three weeks) on the microstructure and magnetocaloric effect (MCE) of laser powder bed fusion (LPBF) NiMnSn alloys. Increasing the HT time improves chemical homogeneity, and decreases the local misorientation imparted by the LPBF process. This is also associated with an enhancement in the maximum magnetic entropy change (ΔS<sub>m</sub>) values around the martensitic transformation temperature (T<sub>M</sub>), which increases from 0.2 J kg<sup>−1</sup>K<sup>−1</sup> to 0.45 J kg<sup>−1</sup>K<sup>−1</sup> under 1 T applied magnetic field. However, theΔS<sub>m</sub>of the one-week HTed sample around the curie temperature (T<sub>c</sub>) (0.90 J kg<sup>−1</sup>K<sup>−1 </sup>at 315 K) is slightly lower than the two weeks and three weeks HTed samples (0.99 J kg<sup>−1</sup>K<sup>−1</sup> at 320 K, 0.94 J kg<sup>−1</sup>K<sup>−1</sup> at 320 K), respectively.