Annealing-induced crystallization of the Er2Fe13.8B alloy amorphized by irradiation / Chukalkin Y.G., Teplykh A.E., Kudrevatykh N.V., Bogdanov S.G., Choo K.N., Lee S., Andreev A.V., Pirogov A.N. // Physics of Metals and Metallography. - 2015. - V. 116, l. 3. - P. 242-247.

ISSN:
0031918X
Type:
Article
Abstract:
To study the evolution of structural and magnetic states of irradiation-amorphized Er2Fe13.8B alloy during isothermal annealing at temperatures of 295–1025 K, magnetization measurements and neutron diffraction analysis have been performed. The annealing of the alloy leads to the crystallization of the Nd2Fe14B-type phase, the amount of which reaches about 84% of the sample volume, and α Fe (16%). Neutron diffraction studies have shown that the Er2Fe13.8B alloy crystallizes in a temperature range of 590–638 K. Magnetic measurements indicate the increase in the spontaneous magnetization and coercive force as the annealing temperature increases above 800 K. The magnetization of the Er sublattice in the sample annealed at 993 K is lower than that of the crystalline sample before its amorphization. However, the magnetic anisotropy of the Er sublattice is unchanged, i.e., the easy axes remain oriented in the basal plane of the tetragonal lattice. © 2015, Pleiades Publishing, Ltd.
Author keywords:
amorphous state; crystallization; isochronous annealing; neutron diffraction; permanent magnets
Index keywords:
Alloys; Annealing; Crystallization; Erbium; Iron alloys; Irradiation; Isothermal annealing; Magnetic anisotropy; Magnetization; Neutron diffraction; Neutron irradiation; Neutrons; Permanent magnets; A
DOI:
10.1134/S0031918X15010032
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-84925654937&doi=10.1134%2fS0031918X15010032&partnerID=40&md5=277c707a33745ecf7ab9de4293c44c63
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Link https://www.scopus.com/inward/record.uri?eid=2-s2.0-84925654937&doi=10.1134%2fS0031918X15010032&partnerID=40&md5=277c707a33745ecf7ab9de4293c44c63
Affiliations Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Ekaterinburg, Russian Federation; Ural Federal University, ul. Mira 62, Yekaterinburg, Russian Federation; Korea Atomic Energy Research Institute, Daejeon, South Korea; Institute of Physics, Academy of Sciences of Czech Republic, Na Slovance 1999/2, Prague, Czech Republic
Author Keywords amorphous state; crystallization; isochronous annealing; neutron diffraction; permanent magnets
Funding Details 01.2.006 13394, RAS, Russian Academy of Sciences; 12-02-12065, RFBF, Russian Academy of Sciences; 12-T-2-1006, RAS, Russian Academy of Sciences
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Correspondence Address Pirogov, A.N.; Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 18, Russian Federation
Publisher Maik Nauka-Interperiodica Publishing
Language of Original Document English
Abbreviated Source Title Phys. Met. Metallogr.
Source Scopus