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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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Wróblewski, Rafał
Warsaw University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024Polymer‐based filaments with embedded magnetocaloric <scp>Ni‐Mn‐Ga</scp> Heusler alloy particles for additive manufacturingcitations
- 2024Polymer-based filaments with embedded magnetocaloric Ni-Mn-Ga Heusler alloy particles for additive manufacturing
- 2023How to control the crystallization of metallic glasses during laser powder bed fusion? Towards part-specific 3D printing of in situ compositescitations
- 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
- 2020Impact of the Carbon Nanofillers Addition on Rheology and Absorption Ability of Composite Shear Thickening Fluidscitations
- 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
- 2006Modification of the properties of Ni-Mn-Ga magnetic shape memory alloys by minor addition of terbiumcitations
- 2006Effect of the processing conditions on the microstructure of urethane magnetorheological elastomerscitations
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booksection
Modification of the properties of Ni-Mn-Ga magnetic shape memory alloys by minor addition of terbium
Abstract
<p>Effect of terbium addition on the structure, phase constitution and hardness of the Ni<sub>49</sub>Mn<sub>29</sub>Ga<sub>22</sub> alloy was studied. The Tb content varied in the range of 0 - 2 at.%. It was found that the Tb addition substantially refines the grain size, which dropped from 200 - 400 μm, for the Tb-free alloy, down to 30-50 μm for the 2 at.% Tb material. The terbium exhibited negligible solubility in the matrix phase and formed grain boundary layer. The mean composition of the boundary layer was: Tb - 16, Ni - 55, Mn - 7 and Ga - 22 at.%. The phase analysis revealed the presence of the following major phases in the alloys: Ni<sub>2</sub>MnGa, Ni<sub>3</sub>Ga. All the alloys studied exhibited martensitic structure at room temperature. The Tb addition did not affect the Curie temperature, which is consistent with the finding that Tb does not dissolve in the Ni<sub>2</sub>MnGa phase. However, it was found that Tb addition changed the phase transformations temperatures. The As temperature (martensite-to-austenite transformation starting temperature) and M<sub>s</sub> temperature (martensite-to-austenite starting temperature) grow slightly for low Tb concentrations and subsequently decrease for higher the Tb contents. The Tb containing alloys exhibited increased hardness, by about 40%, which was apparently caused by the grain refinement. No significant effect of the Tb addition on the magnetic shape memory effect was observed.</p>