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An Overview of MnAl...
An Overview of MnAl Permanent Magnets with a Study on Their Potential in Electrical Machines
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- Kontos, Sofia (author)
- Uppsala universitet,Fasta tillståndets fysik,Uppsala University
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- Ibrayeva, Anar (author)
- Uppsala universitet,Elektricitetslära,Uppsala University
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- Leijon, Jennifer, 1990- (author)
- Uppsala universitet,Elektricitetslära,Uppsala University
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- Mörée, Gustav (author)
- Uppsala universitet,Elektricitetslära,Uppsala University
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- Frost, Anna E., 1988- (author)
- Uppsala universitet,Elektricitetslära,Uppsala University
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- Schönström, Linus (author)
- Uppsala universitet,Tillämpad kärnfysik,Uppsala University
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- Gunnarsson, Klas (author)
- Uppsala universitet,Fasta tillståndets fysik,Uppsala University
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- Svedlindh, Peter (author)
- Uppsala universitet,Fasta tillståndets fysik,Uppsala University
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- Leijon, Mats, 1958- (author)
- Uppsala universitet,Elektricitetslära,Division of Electrical Machines and Power Electronics, Chalmers University of Technology, 412 96 Göteborg, Sweden,Uppsala University,Chalmers tekniska högskola,Chalmers University of Technology
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- Eriksson, Sandra, 1979- (author)
- Uppsala universitet,Elektricitetslära,Uppsala University
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(creator_code:org_t)
- 2020-10-23
- 2020
- English.
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In: Energies. - : MDPI. - 1996-1073. ; 13:21
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Abstract
Subject headings
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- In this paper, hard magnetic materials for future use in electrical machines are discussed. Commercialized permanent magnets used today are presented and new magnets are reviewed shortly. Specifically, the magnetic MnAl compound is investigated as a potential material for future generator designs. Experimental results of synthesized MnAl, carbon-doped MnAl and calculated values for MnAl are compared regarding their energy products. The results show that the experimental energy products are far from the theoretically calculated values with ideal conditions due to microstructure-related reasons. The performance of MnAl in a future permanent magnet (PM) generator is investigated with COMSOL, assuming ideal conditions. Simplifications, such as using an ideal hysteresis loop based on measured and calculated saturation magnetization values were done for the COMSOL simulation. The results are compared to those for a ferrite magnet and an NdFeB magnet. For an ideal MnAl hysteresis loop, it would be possible to replace ferrite with MnAl, with a reduced weight compared to ferrite. In conclusion, future work for simulations with assumptions and results closer to reality is suggested.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Övrig annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Other Engineering and Technologies not elsewhere specified (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (hsv//eng)
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- rare earth-free
- permanent magnets
- electrical machines
- renewable energy
- COMSOL
- Engineering Science with specialization in Science of Electricity
- Teknisk fysik med inriktning mot elektricitetslära
Publication and Content Type
- ref (subject category)
- art (subject category)
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Energies
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- By the author/editor
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Kontos, Sofia
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Ibrayeva, Anar
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Leijon, Jennifer ...
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Mörée, Gustav
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Frost, Anna E., ...
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Schönström, Linu ...
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show more...
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Gunnarsson, Klas
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Svedlindh, Peter
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Leijon, Mats, 19 ...
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Eriksson, Sandra ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Other Electrical ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Other Engineerin ...
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and Other Engineerin ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Other Materials ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Energies
- By the university
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Uppsala University
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Chalmers University of Technology