Dy gradient and coercivity in grain boundary diffusion processed Nd-Fe-B magnet

Sepehri-Amin, 2013, The mechanism of coercivity enhancement by the grain boundary diffusion process of Nd-Fe-B sintered magnets, Acta. Master., 61, 1982, 10.1016/j.actamat.2012.12.018 Hirosawa, 1986, Magnetization and magnetic anisotropy of R2Fe14B measured on single crystals, J. Appl. Phys., 59, 873, 10.1063/1.336611 Watanabe, 2007, Microstructure analysis of sintered Nd-Fe-B magnets improved by Tb-Vapor Sorption, Mater. Trans., 48, 915, 10.2320/matertrans.48.915 Sepehri-Amin, 2010, Grain boundary structure and chemistry of Dy-diffusion processed Nd-Fe-B sintered magnets, J. Appl. Phys., 107, 09A745, 10.1063/1.3351247 Komuro, 2010, Increase of coercivity and composition distribution in fluoride-diffused NdFeB sintered magnets treated by fluoride solutions, IEEE Trans. Magn., 46, 3831, 10.1109/TMAG.2010.2064780 Nakamura, 2011, Coercivity distributions in Nd-Fe-B sintered magnets produced by the grain boundary diffusion process, J. Phys. D, 44, 064003, 10.1088/0022-3727/44/6/064003 Oono, 2011, Production of thick high-performance sintered neodymium magnets by grain boundary diffusion treatment with dysprosium-nickel-aluminum alloy, J. Magn. Magn. Mater., 323, 297, 10.1016/j.jmmm.2010.09.021 Popov, 2011, Effect of diffusion annealing on the hysteretic properties of sintered Nd-Fe-B magnets, Phys. Met. Metallog., 111, 493, 10.1134/S0031918X11040107 Soderznik, 2012, The grain-boundary diffusion process in Nd-Fe-B sintered magnets based on the electrophoretic deposition of DyF3, Intermetallic, 23, 158, 10.1016/j.intermet.2011.11.014 Loewe, 2015, Temperature-dependent Dy diffusion processes in Nd-Fe-B permanent magnets, Acta Mater., 83, 248, 10.1016/j.actamat.2014.09.039 Kim, 2015, Simultaneous application of Dy-X (X=F or H) powder doping and dip-coating processes to Nd-Fe-B sintered magnets, Acta Mater., 93, 95, 10.1016/j.actamat.2015.04.019 Seelam, 2014, Faceted shell structure in grain boundary diffusion-processed sintered Nd-Fe-B magnets, J. Alloys Compd., 617, 884, 10.1016/j.jallcom.2014.07.166 Matsuura, 1985, Phase diagram of the Nd-Fe-B Ternary system, Jpn. J. Appl. Phys., 24, L635, 10.1143/JJAP.24.L635 Grieb B, Henig E-th, Shneider G. Homogeneity range and phase equilibria around (Nd,RE)2Fe14B with RE=Tb, Dy, Proc. 5th International Symposium on Magnetic Anisotropy and Coercivity in Rare Earth Transition Metal Alloys. Bad-soden, Germany, 1987. Liu, 2012, The partitioning of Dy and Tb in NdFeB magnets: A first-principles study, J. Appl. Phys., 111, 07A701, 10.1063/1.3670054