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http://hdl.handle.net/11452/29715| Title: | Magnetocaloric properties in a FeNiGaMnSi high entropy alloy |
| Authors: | Bursa Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Fizik Bölümü. 0000-0001-6737-3838 0000-0002-8871-2357 Şarlar, Kağan Tekgül, Atakan Küçük, İlker FJG-9926-2022 55550817200 37462175100 6602910810 |
| Keywords: | High entropy alloys (HEAs) Magnetic materials Soft magnetic properties Magnetocaloric effect (MCE) Solid-solution phase Magnetic refrigerants Room-temperature Mechanical-properties Behavior CO Microstructure Stability NI Crystal structure Entropy Gallium alloys High-entropy alloys Iron alloys Magnetic materials Manganese alloys Rare earths Rietveld refinement Silicon alloys Soft magnetic materials Magnetic entropy change Magnetocaloric properties Paramagnetic transition Refrigeration capacity Resulting materials Soft magnetic properties X-ray diffraction data Materials science Physics |
| Issue Date: | 30-Sep-2019 |
| Publisher: | Elsevier |
| Citation: | Şarlar, K. vd. (2020). "Magnetocaloric properties in a FeNiGaMnSi high entropy alloy". Current Applied Physics, 20(1), 18-22. |
| Abstract: | We investigated a new Fe26.7Ni26.7Ga15.6Mn20Si11 high entropy alloy (HEA) without the rare earth element. The structural, magnetic and magnetocaloric properties of the resulting materials are presented. The HEAs successfully is produced by the arc melting with suction casting method. The crystal structures are characterised through multiphase Rietveld refinement of X-ray diffraction data. The structure of the HEAs was found to be the body centred cubic (bcc). In the magnetic measurements, the ferromagnetic to paramagnetic transition was obtained in the range of 300–400 K. With the employed suction casting method; the Fe26.7Ni26.7Ga15.6Mn20Si11 HEA shows the best magnetocaloric properties as 1.59 Jkg−1K−1 maximum magnetic entropy change (0–2 T) and 75.68 Jkg-1 refrigeration capacity after the annealing process. |
| URI: | https://doi.org/10.1016/j.cap.2019.09.019 https://www.sciencedirect.com/science/article/pii/S1567173919302512 http://hdl.handle.net/11452/29715 |
| ISSN: | 1567-1739 |
| Appears in Collections: | Scopus Web of Science |
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