Microstructure, magnetic properties and cryogenic magnetocaloric effect in Cu20Al20Er60 amorphous ribbons

被引：7

作者：

Wang, Jun ^{[1
,2
]}

Zhang, Peng ^{[1
]}

Ning, Aifeng ^{[1
]}

机构：

[1] Ningbo Univ, Fac Sci, Ningbo 315211, Zhejiang, Peoples R China

[2] Minjiang Univ, Dept Phys & Elect Engn, Fuzhou 350108, Fujian, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2018年 / 465卷

基金：

中国国家自然科学基金;

关键词：

Magnetic properties; Magnetocaloric effect; Amorphousized ribbons; Magnetic refrigeration; BULK METALLIC GLASSES; INTERMETALLIC COMPOUNDS; ENTROPY CHANGE; RE; HO; ER; REFRIGERATION; ALLOYS; ORDER; TM;

D O I：

10.1016/j.jmmm.2018.05.097

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The glass forming ability, microstructure as well as the cryogenic magnetic and magnetocaloric properties in melt-spun Cu20Al20Er60 ribbons were reported. The as-spun ribbons were confirmed to possess fully amorphous structure with a large supercooled liquid region of 54.3 K. A broad second-order paramagnetic to ferromagnetic (PM-FM) magnetic transition together with a large reversible cryogenic magnetocaloric effect (MCE) in Cu20Al20Er60 amorphous ribbon was found around T-C of 13.3 K. The MCE parameters of the maximum magnetic entropy change (-Delta S-M(max)), relative cooling power (RCP) and refrigerant capacity (RC) for Cu20Al20Er60 amorphous ribbons were evaluated to be 15.3 J/kg K, 543 J/kg and 420 J/kg for a magnetic field change (Delta H) of 0-7 T, respectively.

引用

页码：780 / 783

页数：4

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