کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1815312 1525266 2006 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Magnetic properties of B-rich nanocomposite α-(Fe,Co)/(NdPr)2Fe14B alloys
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
Magnetic properties of B-rich nanocomposite α-(Fe,Co)/(NdPr)2Fe14B alloys
چکیده انگلیسی
We report and discuss the results of a study of the structures and magnetic properties of B-rich (10 at%) nanocomposite alloys, based on the formula (Nd0.75Pr0.25)y(Fe0.9Co0.1)90−y−xNbxB10 (y=8, 10; x=0, 2,4) and processed by devitrification of melt-spun amorphous precursors. Considerable enhancement of the intrinsic coercivity, together with good to excellent remanence and energy density values were observed for the composition with y=10, x=2, (1042 kA/m, 0.88 T and 123 kJ/m3, respectively). The intrinsic coercivity and remanence enhancements are ascribed to the grain-refining effects of Nb, particularly with respect to the soft-magnetic phases, and thus to more complete exchange coupling of the soft grains to the hard-phase grains than for the Nb-free alloy.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 384, Issues 1–2, 1 October 2006, Pages 286-289
نویسندگان
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