Influence of Covalent Element B and Si Addition on Magnetocaloric Properties of Gd-Co-Fe-(B,Si) Amorphous Alloys

被引：4
|
作者：
Zhang, Huiyan [1 ,2 ]
Xu, Yafang [2 ]
Zhang, Ziyang [2 ]
Tan, Jia [2 ]
Zhang, Xue [2 ]
Peng, Hui [2 ]
Xiang, Xinji [2 ]
Li, Hailing [1 ,2 ]
Xia, Ailin [1 ,2 ]
Li, Weihuo [1 ,2 ]
机构：
[1] Anhui Univ Technol, Key Lab Green Fabricat & Surface Technol Adv Met, Maanshan 243002, Peoples R China
[2] Anhui Univ Technol, Sch Mat Sci & Engn, Maanshan 243002, Peoples R China
来源：
METALS | 2022年 / 12卷 / 03期
关键词：
Gd-Co-Fe amorphous alloy; covalent element addition; magnetocaloric performance; magnetic refrigeration; MAGNETIC-MOMENT; TEMPERATURE;
D O I：
10.3390/met12030386
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of covalent element addition on the magnetic and magnetocaloric properties of ferrimagnetic Gd60Co20Fe20 amorphous alloy was studied. Particularly, the co-doping of B and Si promoted the magnetocaloric performance (with a larger magnetic entropy change |Delta S-M| at higher working temperature) of the initial Gd60Co20Fe20 amorphous alloy. This is possibly ascribed to the modified magnetic transition behavior. Additionally, the broadened magnetocaloric effect with |Delta S-M| of 2.25 J kg(-1) K-1 at 222.5 K under a magnetic field change of 0-2 T and high relative cooling power of 396.0 J kg(-1) were obtained for (Gd0.6Co0.2Fe0.2)(95)B2Si3. These properties reveal that the material could be a good candidate as a magnetic refrigerant suitable for active magnetic refrigerators.
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页数：10
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