Microstructure and Local Magnetism Near Grain Boundaries of Nd-Fe-B Permanent Magnets and Their Impacts on Coercivity

被引：2
|
作者：
Hirosawa, Satoshi [1 ]
机构：
[1] Natl Inst Mat Sci, Res Ctr Magnet & Spintron Mat, Elements Strategy Initiat Magnet Mat, Tsukuba, Ibaraki 3050047, Japan
来源：
JOURNAL OF THE JAPAN INSTITUTE OF METALS AND MATERIALS | 2017年 / 81卷 / 01期
关键词：
neodymium-iron-boron; coercivity; microstructure; grain boundary; interface; micromagnetic simulation; first-principles calculation; CALPHAD(calculation of phase diagram); phase-field simulation;
D O I：
10.2320/jinstmet.JPR2016903
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
引用
收藏
页码：1 / 1
页数：1
相关论文
共 50 条
  • [41] Microstructure of fine-grained Nd-Fe-B sintered magnets with high coercivity
    Sepehri-Amin, H.
    Une, Y.
    Ohkubo, T.
    Hono, K.
    Sagawa, M.
    [J]. SCRIPTA MATERIALIA, 2011, 65 (05) : 396 - 399
  • [42] Coercivity limits in Nd-Fe-B hot-deformed magnets with ultrafine microstructure
    Kulesh, N.
    Bolyachkin, A.
    Dengina, E.
    Tang, Xin
    Ohkubo, T.
    Kajiwara, T.
    Miyawaki, H.
    Sepehri-Amin, H.
    Hono, K.
    [J]. ACTA MATERIALIA, 2024, 276
  • [43] Characterization of microstructure and coercivity of Nd-Fe-B magnets within and Al or Cu addition
    Yan, A
    Song, XP
    Chen, ZM
    Wang, XT
    [J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1998, 185 (03) : 369 - 374
  • [44] The role of local anisotropy profiles at grain boundaries on the coercivity of Nd2Fe14B magnets
    Hrkac, Gino
    Woodcock, Thomas G.
    Freeman, Colin L.
    Goncharov, Alexander
    Dean, Julian
    Schrefl, Thomas
    Gutfleisch, Oliver
    [J]. APPLIED PHYSICS LETTERS, 2010, 97 (23)
  • [45] Flux mapping and magnetic behavior of grain boundaries in Nd-Fe-B magnets
    Volkov, VV
    Zhu, YM
    [J]. ADVANCES IN MATERIALS PROBLEM SOLVING WITH THE ELECTRON MICROSCOPE, 2001, 589 : 19 - 24
  • [46] Enhancing the coercivity of Nd-Cu-diffused Nd-Fe-B permanent magnets by Nb-assisted grain boundary pinning
    Kumar, M. B. Siva
    Prabhu, D.
    Sadhasivam, M.
    Manjusha, B.
    Chandrasekaran, N.
    Pradeep, K. G.
    Sundararajan, G.
    Gopalan, R.
    [J]. MATERIALS RESEARCH LETTERS, 2022, 10 (12): : 780 - 787
  • [47] Understanding the coercivity enhancement mechanism of grain boundary diffused Nd-Fe-B magnets by comparing with commercial equivalent coercivity magnets
    Wu, Haihui
    Li, Yuqing
    Liu, Weiqiang
    Wang, Zhanjia
    Qin, Yuan
    Ji, Ming
    Du, Ruihua
    Zhang, Dongtao
    Zhang, Lele
    Yue, Ming
    Yi, Xiaofei
    Liu, Youhao
    Zha, Shanshun
    [J]. MATERIALS CHARACTERIZATION, 2024, 210
  • [48] Electrochemical corrosion behavior of Nd-Fe-B permanent magnets with modified microstructure
    Liu, W. Q.
    Yue, M.
    Zhang, D. T.
    Zhang, J. X.
    Liu, X. B.
    [J]. JOURNAL OF APPLIED PHYSICS, 2009, 105 (07)
  • [49] Study on the magnetic properties and microstructure of Nd-Fe-B nanocomposite permanent magnets
    Chen, XY
    Jiang, ZL
    Zhang, L
    Chen, Y
    Bai, FM
    Chen, HM
    Zhu, J
    [J]. THERMEC'2003, PTS 1-5, 2003, 426-4 : 2381 - 2386
  • [50] EVOLUTION OF THE MICROSTRUCTURE OF RAPIDLY SOLIDIFIED ND-FE-B PERMANENT-MAGNETS
    CHU, TY
    RABENBERG, L
    MISHRA, RK
    [J]. JOURNAL OF APPLIED PHYSICS, 1991, 69 (08) : 6046 - 6048
12345