Study of Structural, Compression, and Soft Magnetic Properties of Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> Alloy Prepared by Arc Melting, Mechanical Alloying, and Spark Plasma Sintering
Soft magnetic Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> (at. %) alloy was successfully synthesized by mechanical alloying and spark plasma sintering (SPS) and, in parallel, the same composition was prepared by arc melting (AM) for comparison. Several SPS condit...
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| author | Kaouther Zaara Virgil Optasanu Sophie Le Gallet Lluisa Escoda Joan Saurina Frédéric Bernard Mohamed Khitouni Joan-Josep Suñol Mahmoud Chemingui |
| author_facet | Kaouther Zaara Virgil Optasanu Sophie Le Gallet Lluisa Escoda Joan Saurina Frédéric Bernard Mohamed Khitouni Joan-Josep Suñol Mahmoud Chemingui |
| author_sort | Kaouther Zaara |
| collection | DOAJ |
| description | Soft magnetic Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> (at. %) alloy was successfully synthesized by mechanical alloying and spark plasma sintering (SPS) and, in parallel, the same composition was prepared by arc melting (AM) for comparison. Several SPS conditions were tested. X-ray diffraction and scanning electron microscopy were used to investigate the structure, phase composition, and morphology of the samples. It was found that mechanical alloying produced BCC and FCC supersaturated solid solution after 130 h of milling, with a fine microstructure (i.e., crystallite size of 10 nm). Spark plasma sintering performed at 750 °C and 1000 °C under two pressures of 50 MPa and 75 MPa revealed stable FCC phases. A single FCC phase was observed after the arc melting synthesis. The magnetic properties of milled powders and solids obtained by AM and SPS were investigated. The specimen consolidated by SPS at 1000 °C under the pressure of 50 MPa exhibits soft magnetic behavior (coercivity 0.07 Oe), whereas the mechanically alloyed sample revealed hard magnetic behavior. The specimen consolidated at 750 °C under a pressure of 75 MPa showed a higher compressive strength of 1700 MPa and a Vickers hardness of 425 ± 18 HV. As a result, sintering at 750 °C/75 MPa can be utilized to enhance the mechanical properties, while those sintered at 1000 °C/50 MPa increase magnetic softness. |
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| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T16:39:36Z |
| publishDate | 2023-11-01 |
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| spelling | doaj.art-e6c4f311331040c0a280abad1a98508b2023-11-24T14:53:58ZengMDPI AGMaterials1996-19442023-11-011622724410.3390/ma16227244Study of Structural, Compression, and Soft Magnetic Properties of Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> Alloy Prepared by Arc Melting, Mechanical Alloying, and Spark Plasma SinteringKaouther Zaara0Virgil Optasanu1Sophie Le Gallet2Lluisa Escoda3Joan Saurina4Frédéric Bernard5Mohamed Khitouni6Joan-Josep Suñol7Mahmoud Chemingui8Department of Physics, University of Girona, Campus Montilivi, 17071 Girona, SpainLaboratoire Interdisciplinaire Carnot de Bourgogne—ICB UMR 6303 CNRS, Université de Bourgogne, BP 47870, CEDEX, 21078 Dijon, FranceLaboratoire Interdisciplinaire Carnot de Bourgogne—ICB UMR 6303 CNRS, Université de Bourgogne, BP 47870, CEDEX, 21078 Dijon, FranceDepartment of Physics, University of Girona, Campus Montilivi, 17071 Girona, SpainDepartment of Physics, University of Girona, Campus Montilivi, 17071 Girona, SpainLaboratoire Interdisciplinaire Carnot de Bourgogne—ICB UMR 6303 CNRS, Université de Bourgogne, BP 47870, CEDEX, 21078 Dijon, FranceDepartment of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi ArabiaDepartment of Physics, University of Girona, Campus Montilivi, 17071 Girona, SpainLaboratory of Inorganic Chemistry, LR 17-ES-07, University of Sfax, B.P. 1171, Sfax 3018, TunisiaSoft magnetic Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> (at. %) alloy was successfully synthesized by mechanical alloying and spark plasma sintering (SPS) and, in parallel, the same composition was prepared by arc melting (AM) for comparison. Several SPS conditions were tested. X-ray diffraction and scanning electron microscopy were used to investigate the structure, phase composition, and morphology of the samples. It was found that mechanical alloying produced BCC and FCC supersaturated solid solution after 130 h of milling, with a fine microstructure (i.e., crystallite size of 10 nm). Spark plasma sintering performed at 750 °C and 1000 °C under two pressures of 50 MPa and 75 MPa revealed stable FCC phases. A single FCC phase was observed after the arc melting synthesis. The magnetic properties of milled powders and solids obtained by AM and SPS were investigated. The specimen consolidated by SPS at 1000 °C under the pressure of 50 MPa exhibits soft magnetic behavior (coercivity 0.07 Oe), whereas the mechanically alloyed sample revealed hard magnetic behavior. The specimen consolidated at 750 °C under a pressure of 75 MPa showed a higher compressive strength of 1700 MPa and a Vickers hardness of 425 ± 18 HV. As a result, sintering at 750 °C/75 MPa can be utilized to enhance the mechanical properties, while those sintered at 1000 °C/50 MPa increase magnetic softness.https://www.mdpi.com/1996-1944/16/22/7244nanostructurearc meltingspark plasma sinteringX-ray diffractionmagnetic behaviormechanical properties |
| spellingShingle | Kaouther Zaara Virgil Optasanu Sophie Le Gallet Lluisa Escoda Joan Saurina Frédéric Bernard Mohamed Khitouni Joan-Josep Suñol Mahmoud Chemingui Study of Structural, Compression, and Soft Magnetic Properties of Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> Alloy Prepared by Arc Melting, Mechanical Alloying, and Spark Plasma Sintering Materials nanostructure arc melting spark plasma sintering X-ray diffraction magnetic behavior mechanical properties |
| title | Study of Structural, Compression, and Soft Magnetic Properties of Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> Alloy Prepared by Arc Melting, Mechanical Alloying, and Spark Plasma Sintering |
| title_full | Study of Structural, Compression, and Soft Magnetic Properties of Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> Alloy Prepared by Arc Melting, Mechanical Alloying, and Spark Plasma Sintering |
| title_fullStr | Study of Structural, Compression, and Soft Magnetic Properties of Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> Alloy Prepared by Arc Melting, Mechanical Alloying, and Spark Plasma Sintering |
| title_full_unstemmed | Study of Structural, Compression, and Soft Magnetic Properties of Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> Alloy Prepared by Arc Melting, Mechanical Alloying, and Spark Plasma Sintering |
| title_short | Study of Structural, Compression, and Soft Magnetic Properties of Fe<sub>65</sub>Ni<sub>28</sub>Mn<sub>7</sub> Alloy Prepared by Arc Melting, Mechanical Alloying, and Spark Plasma Sintering |
| title_sort | study of structural compression and soft magnetic properties of fe sub 65 sub ni sub 28 sub mn sub 7 sub alloy prepared by arc melting mechanical alloying and spark plasma sintering |
| topic | nanostructure arc melting spark plasma sintering X-ray diffraction magnetic behavior mechanical properties |
| url | https://www.mdpi.com/1996-1944/16/22/7244 |
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