Mechanochemical synthesis of Nd2Fe14B alloy with high coercivity

被引：26

作者：

Pal, Angshuman ^{[1
]}

Gabay, Alexander ^{[1
]}

Hadjipanayis, George C. ^{[1
]}

机构：

[1] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2012年 / 543卷

关键词：

Permanent magnets; Mechanochemical processing; Magentisation; Magnetic measurements; SEM; X-ray diffraction; MAGNETIC-PROPERTIES; NANOPARTICLES; REDUCTION; FE;

D O I：

10.1016/j.jallcom.2012.07.114

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

High coercivity nanocrystalline Nd2Fe14B particles were synthesized by mechanochemical processing involving the reduction of Nd2O3 with Ca in presence of Fe-B and Fe. The as-milled powder shows amorphous structure and subsequent heat treatment results in formation of nanocrystalline Nd2Fe14B. The resulting powder does not only consist of Nd2Fe14B but also some Nd-rich phase. The optimally heat treated sample exhibits coercivity of more than 12 kOe. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：31 / 33

页数：3

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