摘要
基于磁热效应的新型固体磁制冷技术因具有节能高效、稳定可靠的优点而备受关注,该技术利用磁性材料在磁相变过程中与外界环境之间的热交换作用而产生制冷效果。Ni-Mn-In基磁制冷合金在磁场诱导下可以产生逆磁热效应,具有较大的磁熵变。介绍了Ni-Mn-In基磁制冷合金的晶体结构和相变行为,重点综述了晶粒尺寸、化学成分、热处理工艺等因素对Ni-Mn-In基磁制冷合金磁热效应的影响,以及通过微合金化提高合金力学性能的研究进展。对未来该系列合金的研究方向进行了展望。
New solid-state magnetic refrigeration technology based on magnetocaloric effects has attracted much attention due to its advantages of energy saving,high efficiency,and stability and reliability.This technology utilizes heat exchange between magnetic materials and external environments during magnetic phase transition to produce refrigeration effects.Ni-Mn-In based magnetic refrigeration alloys can produce an inverse magnetocaloric effect under a magnetic field and have a large magnetic entropy change.The crystal structure and phase transformation behavior of Ni-Mn-In based magnetic refrigeration alloys are described.Research progress on the influence of grain size,chemical composition and heat treatment process on the magnetocaloric effect of Ni-Mn-In based magnetic refrigeration alloys,as well as on improving mechanical properties of the alloys by microalloying is emphatically reviewed.The future research direction of this series of alloys is also prospected.
作者
刘紫莉
高丽
廖华玉
胡少辉
LIU Zili;GAO Li;LIAO Huayu;HU Shaohui(College of Engineering Science and Technology,Shanghai Ocean University,Shanghai 201306,China)
出处
《机械工程材料》
CAS
CSCD
北大核心
2023年第5期1-7,共7页
Materials For Mechanical Engineering
基金
国家青年科学基金资助项目(51401122)。
关键词
Ni-Mn-In基合金
晶体结构
马氏体相变
磁热效应
力学性能
Ni-Mn-In based alloy
crystal structure
martensitic transformation
magnetocaloric effect
mechanical property
