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The Structure and Magnetic Properties of Rapidly Quenched Fe(72)Ni(8)Nb(4)Si(2)B(14) Alloy

The complex structural and magnetic studies of the annealed rapidly quenched Cu-free Fe(72)Ni(8)Nb(4)Si(2)B(14) alloy (metallic ribbons form) are reported here. Based on the calorimetric results, the conventional heat treatment process (with heating rate 10 °C/min and subsequent isothermal annealing...

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Autores principales: Hawelek, Lukasz, Warski, Tymon, Wlodarczyk, Patryk, Polak, Marcin, Zackiewicz, Przemyslaw, Maziarz, Wojciech, Wojcik, Anna, Steczkowska-Kempka, Magdalena, Kolano-Burian, Aleksandra
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7792757/
https://www.ncbi.nlm.nih.gov/pubmed/33375057
http://dx.doi.org/10.3390/ma14010005
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author Hawelek, Lukasz
Warski, Tymon
Wlodarczyk, Patryk
Polak, Marcin
Zackiewicz, Przemyslaw
Maziarz, Wojciech
Wojcik, Anna
Steczkowska-Kempka, Magdalena
Kolano-Burian, Aleksandra
author_facet Hawelek, Lukasz
Warski, Tymon
Wlodarczyk, Patryk
Polak, Marcin
Zackiewicz, Przemyslaw
Maziarz, Wojciech
Wojcik, Anna
Steczkowska-Kempka, Magdalena
Kolano-Burian, Aleksandra
author_sort Hawelek, Lukasz
collection PubMed
description The complex structural and magnetic studies of the annealed rapidly quenched Cu-free Fe(72)Ni(8)Nb(4)Si(2)B(14) alloy (metallic ribbons form) are reported here. Based on the calorimetric results, the conventional heat treatment process (with heating rate 10 °C/min and subsequent isothermal annealing for 20 min) for wound toroidal cores has been optimized to obtain the least lossy magnetic properties (for the minimum value of coercivity and magnetic core losses at 50 Hz). For optimal conditions, the complex permeability in the 10(4)–10(8) Hz frequency range together with core power losses obtained from magnetic induction dependence up to the frequency of 400 kHz was successfully measured. The average and local crystal structure was investigated by the use of the X-ray diffraction method and the transmission electron microscopy observations and proved its fully glassy state. Additionally, for the three temperature values, i.e., 310, 340 and 370 °C, the glass relaxation process study in the function of annealing time was carried out to obtain a deeper insight into the soft magnetic properties: magnetic permeability and cut-off frequency. For this type of Cu-free soft magnetic materials, the control of glass relaxation process (time and temperature) is extremely important to obtain proper magnetic properties.
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spelling pubmed-77927572021-01-09 The Structure and Magnetic Properties of Rapidly Quenched Fe(72)Ni(8)Nb(4)Si(2)B(14) Alloy Hawelek, Lukasz Warski, Tymon Wlodarczyk, Patryk Polak, Marcin Zackiewicz, Przemyslaw Maziarz, Wojciech Wojcik, Anna Steczkowska-Kempka, Magdalena Kolano-Burian, Aleksandra Materials (Basel) Article The complex structural and magnetic studies of the annealed rapidly quenched Cu-free Fe(72)Ni(8)Nb(4)Si(2)B(14) alloy (metallic ribbons form) are reported here. Based on the calorimetric results, the conventional heat treatment process (with heating rate 10 °C/min and subsequent isothermal annealing for 20 min) for wound toroidal cores has been optimized to obtain the least lossy magnetic properties (for the minimum value of coercivity and magnetic core losses at 50 Hz). For optimal conditions, the complex permeability in the 10(4)–10(8) Hz frequency range together with core power losses obtained from magnetic induction dependence up to the frequency of 400 kHz was successfully measured. The average and local crystal structure was investigated by the use of the X-ray diffraction method and the transmission electron microscopy observations and proved its fully glassy state. Additionally, for the three temperature values, i.e., 310, 340 and 370 °C, the glass relaxation process study in the function of annealing time was carried out to obtain a deeper insight into the soft magnetic properties: magnetic permeability and cut-off frequency. For this type of Cu-free soft magnetic materials, the control of glass relaxation process (time and temperature) is extremely important to obtain proper magnetic properties. MDPI 2020-12-22 /pmc/articles/PMC7792757/ /pubmed/33375057 http://dx.doi.org/10.3390/ma14010005 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Hawelek, Lukasz
Warski, Tymon
Wlodarczyk, Patryk
Polak, Marcin
Zackiewicz, Przemyslaw
Maziarz, Wojciech
Wojcik, Anna
Steczkowska-Kempka, Magdalena
Kolano-Burian, Aleksandra
The Structure and Magnetic Properties of Rapidly Quenched Fe(72)Ni(8)Nb(4)Si(2)B(14) Alloy
title The Structure and Magnetic Properties of Rapidly Quenched Fe(72)Ni(8)Nb(4)Si(2)B(14) Alloy
title_full The Structure and Magnetic Properties of Rapidly Quenched Fe(72)Ni(8)Nb(4)Si(2)B(14) Alloy
title_fullStr The Structure and Magnetic Properties of Rapidly Quenched Fe(72)Ni(8)Nb(4)Si(2)B(14) Alloy
title_full_unstemmed The Structure and Magnetic Properties of Rapidly Quenched Fe(72)Ni(8)Nb(4)Si(2)B(14) Alloy
title_short The Structure and Magnetic Properties of Rapidly Quenched Fe(72)Ni(8)Nb(4)Si(2)B(14) Alloy
title_sort structure and magnetic properties of rapidly quenched fe(72)ni(8)nb(4)si(2)b(14) alloy
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7792757/
https://www.ncbi.nlm.nih.gov/pubmed/33375057
http://dx.doi.org/10.3390/ma14010005
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