Interfacial Microstructure of Nd2Fe14B/Nd-Rich and Coercivity in Nd-Fe-B Films
نویسندگان
چکیده
منابع مشابه
COERCIVITY AND THERMAL REMAGNETIZATION OF SINTERED Nd-Fe-B
Statistical methods are used to estimate coercivity J Hc and thermal remagnetization of uniaxially nucleationcontrolled permanent magnetic materials. Sintered Nd-Fe-B consists of the tetragonal magnetic Nd2FelrB phase with a volume fraction w = 80 % and of nonmagnetic phases. At temperatures above T, rz 150 K the tetragonal axis is the easy direction of magnetization [I]. It is well known [2] t...
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The interface between the Nd2Fe14B particles and the grain boundary surrounding them in Nd-Fe-B sintered magnets was modified by diffusion Dy metal selectively through the grain boundary involving the reduction of Dy2O3 or DyF3 with CaH2 and the coercivity of them was effectively enhanced from 0.98 MA/m to 1.42 MA/m with keeping the high value of remanence. The resultant coercivity was higher t...
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ژورنال
عنوان ژورنال: Journal of the Japan Institute of Metals
سال: 2012
ISSN: 1880-6880,0021-4876
DOI: 10.2320/jinstmet.76.65