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Magnetocaloric properties of melt-spun MnFe-rich high-entropy alloy

Huang, Shuo (author)
China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China.,Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China;Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala SE-751 20, Sweden
Dong, Zhihua (author)
Chongqing Univ, Coll Mat Sci & Engn, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China. Chongqing Univ, Natl Engn Res Ctr Magnesium Alloys, Chongqing 400044, Peoples R China.,State Key Laboratory of Mechanical Transmissions, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China;National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, China
Mu, Wangzhong, Dr. 1985- (author)
KTH,Strukturer,Department of Materials Science and Engineering, Royal Institute of Technology, Stockholm SE-100 44, Sweden,Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden.
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Ström, Valter (author)
KTH,Materialvetenskap,Department of Materials Science and Engineering, Royal Institute of Technology, Stockholm SE-100 44, Sweden,Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden.
Chai, Guocai, 1956- (author)
Linköpings universitet,Konstruktionsmaterial,Tekniska fakulteten,AB Sandvik Materials Technology R&D Center, Sandviken SE-811 81, Sweden
Varga, Lajos Karoly (author)
Wigner Res Ctr Phys, Inst Solid State Phys & Opt, H-1525 Budapest, Hungary. Örebro Univ, Sch Sci & Technol, SE-70182 Örebro, Sweden.,Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Budapest H-1525, Hungary
Eriksson, Olle, 1960- (author)
Uppsala universitet,Örebro universitet,Institutionen för naturvetenskap och teknik,Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala SE-751 20, Sweden;School of Science and Technology, Örebro University, Örebro SE-701 82, Sweden,Uppsala Univ, Div Mat Theory, Dept Phys & Astron, SE-75120 Uppsala, Sweden.,Materialteori,Materialfysik,Fasta tillståndets fysik
Vitos, Levente (author)
Uppsala universitet,KTH,Materialvetenskap,Uppsala Univ, Div Mat Theory, Dept Phys & Astron, SE-75120 Uppsala, Sweden.,Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala SE-751 20, Sweden;Department of Materials Science and Engineering, Royal Institute of Technology, Stockholm SE-100 44, Sweden;Institute for Solid State Physics and Optics, Wigner Research Centre for Physics, Budapest H-1525, Hungary,Materialteori
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China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China;Department of Physics and Astronomy, Division of Materials Theory, Uppsala University, Uppsala SE-751 20, Sweden (creator_code:org_t)
AIP Publishing, 2021
2021
English.
In: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 119:14
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • High-entropy functional materials are of great interest in materials science and engineering community. In this work, ab initio electronic structure calculations of the phase stability and magnetic transition temperature of AlxCr0.25MnFeCo0.25-yNiy (x = 0-0.5, y = 0-0.25) alloys were performed to screen for compositions showing promising magnetocaloric properties in the vicinity of room temperature. The selected Al0.44Cr0.25MnFeCo0.05Ni0.2 alloy was synthesized via a rapid solidification technique and systematically characterized with respect to its structural and magnetocaloric properties. The results indicate that this alloy possesses a homogeneous microstructure based on an underlying body-centered cubic lattice and has a Curie temperature of & SIM;340 K. The temperature dependence of the adiabatic temperature change was evaluated using both direct and indirect methods. The ab initio-assisted design of 3d-metal-based high-entropy alloys, explored here, is intended to contribute to the development of magnetic refrigerators for room-temperature applications.

Subject headings

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)

Keyword

Physics and Astronomy (miscellaneous)

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