Effects of neutron irradiation and high temperature on structure and magnetic properties of Sm2Co17 permanent magnet

Xuan Zhao; Jie Ying Li; Lei Wang; Xue Yin Sun; Li Yang; Wen Zhu Shao; Tao Yuan; Cheng Yan Xu; Liang Zhen

doi:10.1016/j.nimb.2023.03.001

Effects of neutron irradiation and high temperature on structure and magnetic properties of Sm₂Co₁₇ permanent magnet

Xuan Zhao
, Jie Ying Li
, Lei Wang
, Xue Yin Sun^*
, Li Yang
, Wen Zhu Shao
, Tao Yuan
, Cheng Yan Xu
, Liang Zhen

^*Corresponding author for this work

School of Materials Science and Engineering

Harbin Institute of Technology
Harbin Institute of Technology
China Electronics Technology Group Corporation
Harbin Institute of Technology (Shenzhen)

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

In this work, the effects of neutron irradiation and high temperature on the magnetic properties and structure of Sm₂Co₁₇ permanent magnets (PMs) were investigated. The phase composition in Sm₂Co₁₇ PMs does not change after neutron irradiation with fluence of 5 × 10¹⁴n/cm². The magnetic domain structure and Mössbauer spectra of Sm₂Co₁₇ PMs were almost kept the same after neutron irradiation. The neutron irradiation almost does not influence the intrinsic coercivity and magnetic flux ϕ of Sm₂Co₁₇ PMs. When temperatures increase from room temperature to 300 °C, intrinsic coercivity H_cj, remanence B_r and maximum energy product (BH)_max have 52.8 %, 5.6 % and 15.4 % deterioration, respectively. Magnetic flux ϕ decreases by 4.1 %. When temperature increases to 550 °C, compared with room temperature, H_cj, B_r and (BH)_max decrease 88.8 %, 21.8 % and 54.3 %, respectively. ϕ has a 40 % deterioration.

Original language	English
Pages (from-to)	179-184
Number of pages	6
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	538
DOIs	https://doi.org/10.1016/j.nimb.2023.03.001
State	Published - May 2023

Keywords

Magnetic properties
Neutron irradiation
SmCo permanent magnets
Temperature stability

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10.1016/j.nimb.2023.03.001

Cite this

Zhao, X., Li, J. Y., Wang, L., Sun, X. Y., Yang, L., Shao, W. Z., Yuan, T., Xu, C. Y., & Zhen, L. (2023). Effects of neutron irradiation and high temperature on structure and magnetic properties of Sm₂Co₁₇ permanent magnet. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 538, 179-184. https://doi.org/10.1016/j.nimb.2023.03.001

@article{d16f9a02666a406caa59f260da148bf3,

title = "Effects of neutron irradiation and high temperature on structure and magnetic properties of Sm2Co17 permanent magnet",

abstract = "In this work, the effects of neutron irradiation and high temperature on the magnetic properties and structure of Sm2Co17 permanent magnets (PMs) were investigated. The phase composition in Sm2Co17 PMs does not change after neutron irradiation with fluence of 5 {\texttimes} 1014n/cm2. The magnetic domain structure and M{\"o}ssbauer spectra of Sm2Co17 PMs were almost kept the same after neutron irradiation. The neutron irradiation almost does not influence the intrinsic coercivity and magnetic flux ϕ of Sm2Co17 PMs. When temperatures increase from room temperature to 300 °C, intrinsic coercivity Hcj, remanence Br and maximum energy product (BH)max have 52.8 \%, 5.6 \% and 15.4 \% deterioration, respectively. Magnetic flux ϕ decreases by 4.1 \%. When temperature increases to 550 °C, compared with room temperature, Hcj, Br and (BH)max decrease 88.8 \%, 21.8 \% and 54.3 \%, respectively. ϕ has a 40 \% deterioration.",

keywords = "Magnetic properties, Neutron irradiation, SmCo permanent magnets, Temperature stability",

author = "Xuan Zhao and Li, \{Jie Ying\} and Lei Wang and Sun, \{Xue Yin\} and Li Yang and Shao, \{Wen Zhu\} and Tao Yuan and Xu, \{Cheng Yan\} and Liang Zhen",

note = "Publisher Copyright: {\textcopyright} 2023 Elsevier B.V.",

year = "2023",

month = may,

doi = "10.1016/j.nimb.2023.03.001",

language = "英语",

volume = "538",

pages = "179--184",

journal = "Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms",

issn = "0168-583X",

publisher = "Elsevier B.V.",

}

Zhao, X, Li, JY, Wang, L, Sun, XY , Yang, L , Shao, WZ, Yuan, T, Xu, CY & Zhen, L 2023, 'Effects of neutron irradiation and high temperature on structure and magnetic properties of Sm₂Co₁₇ permanent magnet', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 538, pp. 179-184. https://doi.org/10.1016/j.nimb.2023.03.001

Effects of neutron irradiation and high temperature on structure and magnetic properties of Sm₂Co₁₇ permanent magnet. / Zhao, Xuan; Li, Jie Ying; Wang, Lei et al.
In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 538, 05.2023, p. 179-184.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Effects of neutron irradiation and high temperature on structure and magnetic properties of Sm2Co17 permanent magnet

AU - Zhao, Xuan

AU - Li, Jie Ying

AU - Wang, Lei

AU - Sun, Xue Yin

AU - Yang, Li

AU - Shao, Wen Zhu

AU - Yuan, Tao

AU - Xu, Cheng Yan

AU - Zhen, Liang

PY - 2023/5

Y1 - 2023/5

N2 - In this work, the effects of neutron irradiation and high temperature on the magnetic properties and structure of Sm2Co17 permanent magnets (PMs) were investigated. The phase composition in Sm2Co17 PMs does not change after neutron irradiation with fluence of 5 × 1014n/cm2. The magnetic domain structure and Mössbauer spectra of Sm2Co17 PMs were almost kept the same after neutron irradiation. The neutron irradiation almost does not influence the intrinsic coercivity and magnetic flux ϕ of Sm2Co17 PMs. When temperatures increase from room temperature to 300 °C, intrinsic coercivity Hcj, remanence Br and maximum energy product (BH)max have 52.8 %, 5.6 % and 15.4 % deterioration, respectively. Magnetic flux ϕ decreases by 4.1 %. When temperature increases to 550 °C, compared with room temperature, Hcj, Br and (BH)max decrease 88.8 %, 21.8 % and 54.3 %, respectively. ϕ has a 40 % deterioration.

AB - In this work, the effects of neutron irradiation and high temperature on the magnetic properties and structure of Sm2Co17 permanent magnets (PMs) were investigated. The phase composition in Sm2Co17 PMs does not change after neutron irradiation with fluence of 5 × 1014n/cm2. The magnetic domain structure and Mössbauer spectra of Sm2Co17 PMs were almost kept the same after neutron irradiation. The neutron irradiation almost does not influence the intrinsic coercivity and magnetic flux ϕ of Sm2Co17 PMs. When temperatures increase from room temperature to 300 °C, intrinsic coercivity Hcj, remanence Br and maximum energy product (BH)max have 52.8 %, 5.6 % and 15.4 % deterioration, respectively. Magnetic flux ϕ decreases by 4.1 %. When temperature increases to 550 °C, compared with room temperature, Hcj, Br and (BH)max decrease 88.8 %, 21.8 % and 54.3 %, respectively. ϕ has a 40 % deterioration.

KW - Magnetic properties

KW - Neutron irradiation

KW - SmCo permanent magnets

KW - Temperature stability

UR - https://www.scopus.com/pages/publications/85149854568

U2 - 10.1016/j.nimb.2023.03.001

DO - 10.1016/j.nimb.2023.03.001

M3 - 文章

AN - SCOPUS:85149854568

SN - 0168-583X

VL - 538

SP - 179

EP - 184

JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

ER -

Effects of neutron irradiation and high temperature on structure and magnetic properties of Sm₂Co₁₇ permanent magnet

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