新型磁致伸缩材料FeGa合金研究进展

Current research progress on novel FeGa alloy magnetostrictive materials

作为一种新型的功能材料,FeGa合金磁致伸缩材料以其饱和磁致伸缩系数高、饱和场小、机械性能优良、成本低等优点,在诸多领域具有潜在的应用价值,已成为当前该领域科研工作者的热点研究问题之一。主要介绍了近年来在FeGa合金磁致伸缩材料方面的最新研究进展,重点从制备方法、合金成分及后期热处理等方面阐述了提高FeGa合金磁致伸缩材料性能的方法,最后对目前FeGa合金材料存在的问题和发展趋势进行了分析和展望。

As a novel function material,the FeGa alloy has potential application in many fields,because of its high saturation magnetostriction,outstanding mechanical properties and low cost,etc.,which has attracted more and more attention from researchers.Here the recent development of FeGa alloy was introduced briefly,and then the method of enhancement in magnetostriction was highlighted,in terms of preparing method,compositions and heat treatment.Finally,the existing problem was analyzed and developing prospects of FeGa alloy proposed.