Magnetocaloric Properties of Ni-Rich Ni50-xCoxMn38Sn12B3 Shape Memory Ribbons

被引：2
作者：
Kirat, Gokhan [1 ]
Kizalaslan, Olcay [2 ]
Aksan, M. Ali [1 ]
机构：
[1] Inonu Univ, Fac Arts & Sci, Dept Phys, TR-44280 Malatya, Turkey
[2] Inonu Univ, Dept Biomed Engn, Fac Engn, TR-44280 Malatya, Turkey
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2021年 / 34卷 / 02期
关键词：
Ni– Mn– Sn Heusler alloys; Ribbons; Magnetocaloric effect; Thermal hysteresis; MAGNETIC-ENTROPY CHANGE; MN-SN ALLOYS; MARTENSITIC-TRANSFORMATION; MECHANICAL-PROPERTIES; FUNCTIONAL PROPERTIES; TRANSITION; FIELD; GIANT; FE; NIMNSN;
D O I：
10.1007/s10948-020-05729-2
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The present study presents the magnetocaloric effect (MCE) properties of Ni-rich Ni50-xCoxMn38Sn12B3 (x = 0, 1, 3, 5) ribbons during both heating and cooling processes. The Co substitution caused an increase of magnetization difference Delta M and hence an improvement of the MCE. An inverse giant magnetocaloric effect (IMCE) and a high effective refrigerant capacity RCeff were observed in the x = 3 ribbons. A high amount of Co (x = 5) content led to an inverse magnetic entropy Delta S-M peak with a wide temperature range. Magnetostructural coupling over a wide temperature range is of great importance for technological purposes. On the other hand, the MCE properties were thermal hysteresis dependent, which has to be considered in the technological applications.
引用
收藏
页码：581 / 588
页数：8
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