Structure and magnetic properties of (Sm0.9Zr0.1)Fe11Ti alloys with ThMn12-type structure

被引：20

作者：

Neznakhin, D. S. ^{[1
]}

Andreev, S. V. ^{[1
]}

Semkin, M. A. ^{[1
]}

Selezneva, N. V. ^{[1
]}

Volochaev, M. N. ^{[2
]}

Bolyachkin, A. S. ^{[1
]}

Kudrevatykh, N. V. ^{[1
]}

Volegov, A. S. ^{[1
]}

机构：

[1] Ural Fed Univ, Ekaterinburg 620002, Russia

[2] RAS, SB, KSC, Kirensky Inst Phys,Fed Res Ctr, Krasnoyarsk 660036, Russia

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2019年 / 484卷

关键词：

ThMn12-type phase; Permanent magnets; Rare earth-lean magnets; NANOCOMPOSITE MAGNETS; HIGH COERCIVITY; SM; ZR; CE;

D O I：

10.1016/j.jmmm.2019.04.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Rapidly increasing demand for high-energy permanent magnets and volatility of the rear-earth market encourage a search of hard magnetic materials that can compete with those based on the Nd2Fe14B phase. Sm-Fe compounds with the ThMn12-type crystal structure are considered as promising candidates for it. However, their synthesis and achievement of theoretically predicted magnetic properties are still challenging tasks that have not been solved yet. This paper addresses this problem. Its aim was to synthesize and to study magnetic properties of the (Sm0.9Zr0.1)Fe11Ti compound with ThMn12-type structure. Initially amorphous alloy was obtained by melt spinning and its subsequent heat treatments were performed. Structural and phase transformations of the (Sm0.9Zr0.1)Fe11Ti alloy with annealing temperatures were studied along with magnetic properties. For the optimally annealed alloy features of magnetization reversal were discussed and temperature dependences of coercivity and maximum energy product were obtained.

引用

页码：212 / 217

页数：6

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