Magnetic properties of melt-spun ribbons (Sm1-xZrx)(Fe0.92Ti0.08)10 with ThMn12 structure and their hydrides

被引：16

作者：

Popov, A. G. ^{[1
,2
]}

Protasov, A., V ^{[1
,2
]}

Gaviko, V. S. ^{[1
,2
]}

Kolodkin, D. A. ^{[1
]}

Terentev, P. B. ^{[1
,2
]}

Gerasimov, E. G. ^{[1
,2
]}

Zhang, Tianli ^{[3
]}

Jiang, Chengbao ^{[3
]}

机构：

[1] Russian Acad Sci, Ural Branch, MN Miheev Inst Met Phys, Str S Kovalevskoy 18, Ekaterinburg 620990, Russia

[2] Ural Fed Univ, Inst Nat Sci & Math, Pr Mira 19, Ekaterinburg 620002, Russia

[3] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China

来源：

JOURNAL OF RARE EARTHS | 2019年 / 37卷 / 10期

关键词：

Sm-Zr-Fe-Ti; ThMn12; Melt-spun ribbons; Hydrogenation; Magnetic properties; ELECTRONIC-STRUCTURE; TI; HYDROGEN; SM;

D O I：

10.1016/j.jre.2019.04.007

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The structure and magnetic hysteresis properties of the cast Sm1-xZrx(Fe0.92Ti0.08)(10) (x = 0-0.3) alloys and melt-spun ribbons prepared from them were studied. In the cast alloy with x > 0.2, a considerable amount of the eutectic phase is found in the SEM micrographs. Analysis of the temperature dependences of the magnetic susceptibility and XRD patterns allows amorphous state in the as-spun ribbons with x > 0.2 to be determined. The specific magnetization measured in a field of 17 kOe and remanence decrease with increasing annealing temperature from 800 to 900 degrees C and weakly depend on Zr concentration. The maximal value of coercivity H-c = 4.7 kOe is obtained on the ribbons with x = 0.2 after annealing at 850 degrees C for 10 min. After additional hydrogenation of the ribbons, both the coercivity and remanence increase by 54% and 7%, respectively. (C) 2019 Chinese Society of Rare Earths. Published by Elsevier B.V. All rights reserved.

引用

页码：1066 / 1071

页数：6

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