Effect of Co Substitution on Crystallization and Magnetic Behavior of Fe85.45-xCoxCu0.55B14 Metallic Glass
The effects of Co for Fe substitution on magnetic properties, thermal stability and crystal structure of Fe85.45-xCoxCu0.55B14 (x = 0, 2.5, 5, 7.5, 10) melt spun amorphous alloys were investigated. The Cu content was firstly optimized to minimize the energy of amorphous phase formation by the use of a thermodynamic approach. The formation of crystalline α-Fe type phase has been described using differential scanning calorimetry, X-ray diffractometry and transmission electron microscopy. The classical heat treatment process (with heating rate 10 °C/min) in vacuum for wound toroidal cores was optimized in the temperature range from 280 to 430 °C in order to obtain the best magnetic properties (magnetic saturation Bs and coercivity Hc obtained from the B(H) dependencies) at 50 Hz frequency. For optimal heat-treated samples, the complex magnetic permeability in the frequencies 104-108 Hz at room temperature was measured. Finally, magnetic core losses were obtained for 1 T/50 Hz and 1.5 T/50 Hz values for samples annealed at T = 310 °C. An analysis of transmission electron microscope images and electron diffraction patterns confirmed that high magnetic parameters are related to the coexistence of the amorphous and nanocrystalline phases.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Materials (Basel, Switzerland) - 13(2020), 4 vom: 19. Feb. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hawelek, Lukasz [VerfasserIn] |
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| Links: |
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| Themen: |
Crystallization |
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| Anmerkungen: |
Date Revised 28.09.2020 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/ma13040919 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM306855550 |
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| 100 | 1 | |a Hawelek, Lukasz |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Effect of Co Substitution on Crystallization and Magnetic Behavior of Fe85.45-xCoxCu0.55B14 Metallic Glass |
| 264 | 1 | |c 2020 | |
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| 500 | |a Date Revised 28.09.2020 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a The effects of Co for Fe substitution on magnetic properties, thermal stability and crystal structure of Fe85.45-xCoxCu0.55B14 (x = 0, 2.5, 5, 7.5, 10) melt spun amorphous alloys were investigated. The Cu content was firstly optimized to minimize the energy of amorphous phase formation by the use of a thermodynamic approach. The formation of crystalline α-Fe type phase has been described using differential scanning calorimetry, X-ray diffractometry and transmission electron microscopy. The classical heat treatment process (with heating rate 10 °C/min) in vacuum for wound toroidal cores was optimized in the temperature range from 280 to 430 °C in order to obtain the best magnetic properties (magnetic saturation Bs and coercivity Hc obtained from the B(H) dependencies) at 50 Hz frequency. For optimal heat-treated samples, the complex magnetic permeability in the frequencies 104-108 Hz at room temperature was measured. Finally, magnetic core losses were obtained for 1 T/50 Hz and 1.5 T/50 Hz values for samples annealed at T = 310 °C. An analysis of transmission electron microscope images and electron diffraction patterns confirmed that high magnetic parameters are related to the coexistence of the amorphous and nanocrystalline phases | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a crystallization | |
| 650 | 4 | |a magnetic properties | |
| 650 | 4 | |a metallic glass | |
| 650 | 4 | |a soft magnetic materials | |
| 700 | 1 | |a Warski, Tymon |e verfasserin |4 aut | |
| 700 | 1 | |a Wlodarczyk, Patryk |e verfasserin |4 aut | |
| 700 | 1 | |a Polak, Marcin |e verfasserin |4 aut | |
| 700 | 1 | |a Zackiewicz, Przemyslaw |e verfasserin |4 aut | |
| 700 | 1 | |a Radon, Adrian |e verfasserin |4 aut | |
| 700 | 1 | |a Wojcik, Anna |e verfasserin |4 aut | |
| 700 | 1 | |a Kolano-Burian, Aleksandra |e verfasserin |4 aut | |
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