Process Optimization of In Situ Magnetic-Anisotropy Spark Plasma Sintering of M-Type-Based Barium Hexaferrite BaFe<sub>12</sub>O<sub>19</sub>
This paper introduces a new spark plasma sintering technique that is able to order crystalline anisotropy by in-series/in situ DC electric coupled magnetic field. The process control parameters have been investigated on the production of anisotropic BaFe<sub>12</sub>O<sub>19</su...
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| author | Haetham G. Mohammed Thar Mohammed Badri Albarody Susilawati Susilawati Soheil Gohari Aris Doyan Saiful Prayogi Muhammad Roil Bilad Reza Alebrahim Anwar Ameen Hezam Saeed |
| author_facet | Haetham G. Mohammed Thar Mohammed Badri Albarody Susilawati Susilawati Soheil Gohari Aris Doyan Saiful Prayogi Muhammad Roil Bilad Reza Alebrahim Anwar Ameen Hezam Saeed |
| author_sort | Haetham G. Mohammed |
| collection | DOAJ |
| description | This paper introduces a new spark plasma sintering technique that is able to order crystalline anisotropy by in-series/in situ DC electric coupled magnetic field. The process control parameters have been investigated on the production of anisotropic BaFe<sub>12</sub>O<sub>19</sub> magnets based on resulted remanence (Mr). Sintering holding time (H.T.), cooling rate (C.R.), pressure (P), and sintering temperature (S.T.) are optimized by Taguchi with L9 orthogonal array (OA). The remanent magnetization of nanocrystalline BaFe<sub>12</sub>O<sub>19</sub> in parallel (Mr<sup>ǁ</sup>) and perpendicular (Mr<sup>Ʇ</sup>) to the applied magnetic field was regarded as a measure of performance. The Taguchi study calculated optimum process parameters, which significantly improved the sintering process based on the confirmation tests of BaFe<sub>12</sub>O<sub>19</sub> anisotropy. The magnetic properties in terms of Mr<sup>ǁ</sup> and Mr<sup>Ʇ</sup> were greatly affected by sintering temperature and pressure according to ANOVA results. In addition, regression models were developed for predicting the Mr<sup>ǁ</sup> as well as Mr<sup>Ʇ</sup> respectively. |
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| issn | 1996-1944 |
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| last_indexed | 2024-03-10T11:17:27Z |
| publishDate | 2021-05-01 |
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| spelling | doaj.art-c6b7716c65c74f52a084895fc8aa20c52023-11-21T20:19:35ZengMDPI AGMaterials1996-19442021-05-011410265010.3390/ma14102650Process Optimization of In Situ Magnetic-Anisotropy Spark Plasma Sintering of M-Type-Based Barium Hexaferrite BaFe<sub>12</sub>O<sub>19</sub>Haetham G. Mohammed0Thar Mohammed Badri Albarody1Susilawati Susilawati2Soheil Gohari3Aris Doyan4Saiful Prayogi5Muhammad Roil Bilad6Reza Alebrahim7Anwar Ameen Hezam Saeed8Department of Mechanical Engineering, Universiti Teknologi Petronas, Seri Iskandar 32610, MalaysiaDepartment of Mechanical Engineering, Universiti Teknologi Petronas, Seri Iskandar 32610, MalaysiaMaster of Science Education Program, University of Mataram, Mataram 83125, IndonesiaDepartment of Mechanical Engineering, The University of Melbourne, Parkville, VIC 3010, AustraliaMaster of Science Education Program, University of Mataram, Mataram 83125, IndonesiaFaculty of Applied Science and Enginering, Universitas Pendidikan Mandalika, Mataram 83126, IndonesiaFaculty of Applied Science and Enginering, Universitas Pendidikan Mandalika, Mataram 83126, IndonesiaIndustrial Engineering Department, University of Padova, 35131 Padova, ItalyDepartment of Chemical Engineering, Universiti Teknologi Petronas, Seri Iskandar 32610, MalaysiaThis paper introduces a new spark plasma sintering technique that is able to order crystalline anisotropy by in-series/in situ DC electric coupled magnetic field. The process control parameters have been investigated on the production of anisotropic BaFe<sub>12</sub>O<sub>19</sub> magnets based on resulted remanence (Mr). Sintering holding time (H.T.), cooling rate (C.R.), pressure (P), and sintering temperature (S.T.) are optimized by Taguchi with L9 orthogonal array (OA). The remanent magnetization of nanocrystalline BaFe<sub>12</sub>O<sub>19</sub> in parallel (Mr<sup>ǁ</sup>) and perpendicular (Mr<sup>Ʇ</sup>) to the applied magnetic field was regarded as a measure of performance. The Taguchi study calculated optimum process parameters, which significantly improved the sintering process based on the confirmation tests of BaFe<sub>12</sub>O<sub>19</sub> anisotropy. The magnetic properties in terms of Mr<sup>ǁ</sup> and Mr<sup>Ʇ</sup> were greatly affected by sintering temperature and pressure according to ANOVA results. In addition, regression models were developed for predicting the Mr<sup>ǁ</sup> as well as Mr<sup>Ʇ</sup> respectively.https://www.mdpi.com/1996-1944/14/10/2650spark plasma sinteringsintering parametersremanenceoptimizationmagnetmagnetic properties |
| spellingShingle | Haetham G. Mohammed Thar Mohammed Badri Albarody Susilawati Susilawati Soheil Gohari Aris Doyan Saiful Prayogi Muhammad Roil Bilad Reza Alebrahim Anwar Ameen Hezam Saeed Process Optimization of In Situ Magnetic-Anisotropy Spark Plasma Sintering of M-Type-Based Barium Hexaferrite BaFe<sub>12</sub>O<sub>19</sub> Materials spark plasma sintering sintering parameters remanence optimization magnet magnetic properties |
| title | Process Optimization of In Situ Magnetic-Anisotropy Spark Plasma Sintering of M-Type-Based Barium Hexaferrite BaFe<sub>12</sub>O<sub>19</sub> |
| title_full | Process Optimization of In Situ Magnetic-Anisotropy Spark Plasma Sintering of M-Type-Based Barium Hexaferrite BaFe<sub>12</sub>O<sub>19</sub> |
| title_fullStr | Process Optimization of In Situ Magnetic-Anisotropy Spark Plasma Sintering of M-Type-Based Barium Hexaferrite BaFe<sub>12</sub>O<sub>19</sub> |
| title_full_unstemmed | Process Optimization of In Situ Magnetic-Anisotropy Spark Plasma Sintering of M-Type-Based Barium Hexaferrite BaFe<sub>12</sub>O<sub>19</sub> |
| title_short | Process Optimization of In Situ Magnetic-Anisotropy Spark Plasma Sintering of M-Type-Based Barium Hexaferrite BaFe<sub>12</sub>O<sub>19</sub> |
| title_sort | process optimization of in situ magnetic anisotropy spark plasma sintering of m type based barium hexaferrite bafe sub 12 sub o sub 19 sub |
| topic | spark plasma sintering sintering parameters remanence optimization magnet magnetic properties |
| url | https://www.mdpi.com/1996-1944/14/10/2650 |
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