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MnxCr0.3Fe0.5Co0.2N...
MnxCr0.3Fe0.5Co0.2Ni0.5Al0.3 high entropy alloys for magnetocaloric refrigeration near room temperature
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- Dong, Zhihua (författare)
- KTH,Materialvetenskap,College of Materials Science and Engineering, Chongqing University, Chongqing 400030, China,Applied Materials Physics, Department of Materials Science and Engineering, KTH-Royal Institute of Technology, Stockholm, Sweden; College of Materials Science and Engineering, Chongqing University, Chongqing, China,KTH Royal Inst Technol, Dept Mat Sci & Engn, Appl Mat Phys, SE-10044 Stockholm, Sweden.;Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400030, Peoples R China.
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- Huang, Shuo (författare)
- Uppsala universitet,KTH,Materialvetenskap,Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala SE-75121, Sweden,Applied Materials Physics, Department of Materials Science and Engineering, KTH-Royal Institute of Technology, Stockholm, Sweden; Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden,Materialteori,KTH Royal Inst Technol, Dept Mat Sci & Engn, Appl Mat Phys, SE-10044 Stockholm, Sweden.,KTH Royal Inst Technol, Sweden; Uppsala Univ, Sweden
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- Ström, Valter (författare)
- KTH,Materialvetenskap,Department of Materials Science and Engineering, KTH-Royal Institute of Technology, Stockholm, Sweden,KTH Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden.
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- Chai, Guocai (författare)
- Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten,AB Sandvik Mat Technol R& D Ctr, Sweden
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- Varga, Lajos Karoly (författare)
- Research Institute for Solid State Physics and Optics, Wigner Research Center for Physics, P.O. Box 49, H-1525 Budapest, Hungary,Wigner Res Ctr Phys, Res Inst Solid State Phys & Opt, POB 49, H-1525 Budapest, Hungary.
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- Eriksson, Olle, 1960- (författare)
- Uppsala universitet,Örebro universitet,Institutionen för naturvetenskap och teknik,Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala SE-75121, Sweden g School of Science and Technology, Örebro University, Örebro SE-70281, Sweden,Materialteori,Örebro Univ, Sch Sci & Technol, SE-75121 Örebro, Sweden.,Uppsala Univ, Sweden; Orebro Univ, Sweden
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- Vitos, Levente (författare)
- Uppsala universitet,KTH,Materialvetenskap,Tillämpad fysik,Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala SE-75121, Sweden h Research Institute for Solid State Physics and Optics, Wigner Research Center for Physics, P.O. Box 49, H-1525 Budapest, Hungary,Applied Materials Physics, Department of Materials Science and Engineering, KTH-Royal Institute of Technology, Stockholm, Sweden; Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala, Sweden; Research Institute for Solid State Physics and Optics, Wigner Research Center for Physics, Budapest, Hungary,Materialteori,KTH Royal Inst Technol, Dept Mat Sci & Engn, Appl Mat Phys, SE-10044 Stockholm, Sweden.;Wigner Res Ctr Phys, Res Inst Solid State Phys & Opt, POB 49, H-1525 Budapest, Hungary.,KTH Royal Inst Technol, Sweden; Uppsala Univ, Sweden; Wigner Res Ctr Phys, Hungary
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(creator_code:org_t)
- Chinese Society of Metals, 2021
- 2021
- Engelska.
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Ingår i: Journal of Materials Science & Technology. - : Chinese Society of Metals. - 1005-0302. ; 79, s. 15-20
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- High entropy alloys (HEAs) based on transition metals display rich magnetic characteristics, however attempts on their application in energy efficient technologies remain scarce. Here, we explore the magnetocaloric application for a series of MnxCr0.3Fe0.5Co0.2Ni0.5Al0.3 (0.8 < x < 1.1) HEAs by integrated theoretical and experimental methods. Both theory and experiment indicate the designed HEAs have the Curie temperature close to room temperature and is tunable with Mn concentration. A non-monotonic evolution is observed for both the entropy change and the relative cooling power with changing Mn concentration. The underlying atomic mechanism is found to primarily emerge from the complex impact of Mn on magnetism. Advanced magnetocaloric properties can be achieved by tuning Mn concentration in combination with controlling structural phase stability for the designed HEAs.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- Experiment and Ab initio
- High entropy alloys
- Magnetic phase transition
- Magnetocaloric materials
- Aluminum alloys
- Chromium alloys
- Cobalt alloys
- Energy efficiency
- Entropy
- High-entropy alloys
- Iron alloys
- Manganese
- Energy efficient technology
- Experimental methods
- Magnetic characteristic
- Magnetocaloric properties
- Mn concentrations
- Near room temperature
- Relative cooling power
- Structural phase stability
- Manganese alloys
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