NIMTE OpenIR  > 2018专题
Effects of the grain size on domain structure and thermal stability of sintered Nd-Fe-B magnets
Ding, Guangfei; Guo, Shuai; Chen, Ling; Di, Jinghui; Chen, Kan; Chen, Renjie; Lee, Don; Yan, Aru
2018
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
Volume735Pages:1176-1180
AbstractThermal stability of coercivity and domain structure in sintered Nd-Fe-B magnets with various grain sizes has been studied. Microstructure analysis shows that the improved thermal stability arises from the grain morphology beneficial to a small effective demagnetization factor N-eff. In-situ magnetic domain evolution during thermal demagnetization indicates that lower surface stray field in fine-grained magnets suppresses the reversion of domain in high temperature condition, which results from temperature-dependent competition between the local demagnetizing field and effective anisotropy field of surface grains. (C) 2017 Elsevier B.V. All rights reserved.
KeywordCoercivity Enhancement Permanent-magnets Particle-size Dependence Magnetization Mechanism
Subject AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
Language英语
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/16799
Collection2018专题
Recommended Citation
GB/T 7714
Ding, Guangfei,Guo, Shuai,Chen, Ling,et al. Effects of the grain size on domain structure and thermal stability of sintered Nd-Fe-B magnets[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,735:1176-1180.
APA Ding, Guangfei.,Guo, Shuai.,Chen, Ling.,Di, Jinghui.,Chen, Kan.,...&Yan, Aru.(2018).Effects of the grain size on domain structure and thermal stability of sintered Nd-Fe-B magnets.JOURNAL OF ALLOYS AND COMPOUNDS,735,1176-1180.
MLA Ding, Guangfei,et al."Effects of the grain size on domain structure and thermal stability of sintered Nd-Fe-B magnets".JOURNAL OF ALLOYS AND COMPOUNDS 735(2018):1176-1180.
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