中国物理B ›› 2014, Vol. 23 ›› Issue (4): 47503-047503.doi: 10.1088/1674-1056/23/4/047503

所属专题: TOPICAL REVIEW — Magnetism, magnetic materials, and interdisciplinary research

• SPECIAL TOPIC --- Non-equilibrium phenomena in soft matters • 上一篇    下一篇

Optimizing and fabricating magnetocaloric materials

刘剑   

  1. Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
  • 收稿日期:2014-01-21 修回日期:2014-03-20 出版日期:2014-04-15 发布日期:2014-04-15

Optimizing and fabricating magnetocaloric materials

Liu Jian (刘剑)   

  1. Key Laboratory of Magnetic Materials and Devices, Ningbo Institute of Material Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
  • Received:2014-01-21 Revised:2014-03-20 Online:2014-04-15 Published:2014-04-15
  • Contact: Liu Jian E-mail:liujian@nimte.ac.cn
  • About author:75.30.Sg

摘要: The microstructural modification of existing materials for magnetic cooling applications, and mass fabrication of the modified materials are reviewed, emphasizing the maximization of magnetic entropy change and minimization of hysteresis losses, as well as the engineering problems in the actual application of promising materials. In the first part, physical rules are put forward to explore high performance magnetic refrigerants, including the enhancement of adiabatic temperature change in finite field, multi-caloric effects, and multi-layered structure. Special attention is given to non-magnetic properties. Following this, an overview of mass fabrication of magnetic refrigerants having large entropy change, small hysteresis, good mechanical properties, and high thermal conductivity is presented.

关键词: magnetocaloric effect, hysteresis, microstructure

Abstract: The microstructural modification of existing materials for magnetic cooling applications, and mass fabrication of the modified materials are reviewed, emphasizing the maximization of magnetic entropy change and minimization of hysteresis losses, as well as the engineering problems in the actual application of promising materials. In the first part, physical rules are put forward to explore high performance magnetic refrigerants, including the enhancement of adiabatic temperature change in finite field, multi-caloric effects, and multi-layered structure. Special attention is given to non-magnetic properties. Following this, an overview of mass fabrication of magnetic refrigerants having large entropy change, small hysteresis, good mechanical properties, and high thermal conductivity is presented.

Key words: magnetocaloric effect, hysteresis, microstructure

中图分类号:  (Magnetocaloric effect, magnetic cooling)

  • 75.30.Sg