Fe-Ga快淬薄带磁致伸缩性能研究进展  

Development of magnetostrictive properties of Fe-Ga melt-spun ribbons

作　　者：龚沛[1] 江丽萍[2] 吴双霞[2] 赵增祺[2] 

机构地区：[1]内蒙古工业大学材料科学与工程学院,内蒙古呼和浩特010051 [2]包头稀土研究院,内蒙古包头014010

出　　处：《磁性材料及器件》2013年第4期67-73,共7页Journal of Magnetic Materials and Devices

基　　金：国家自然科学基金资助项目(51141005)

摘　　要：Fe-Ga快淬薄带与Fe-Ga铸态试样相比,饱和磁致伸缩性能明显增加。概述了目前磁致伸缩Fe-Ga快淬薄带研究的主要问题,阐述了镓含量、第三添加元素、甩带线速度和热处理对Fe-Ga快淬薄带微观结构及磁致伸缩性能的影响。重点介绍了Fe-Ga基快淬薄带磁致伸缩增强的机理,除了产生磁致伸缩的基本原因外,薄带〈100〉择优取向以及类B2结构的出现是导致其饱和磁致伸缩应变增大的主要原因。探讨了铁镓合金薄带研究中急需解决的问题,并提出获得稳定、较高磁致伸缩系数和降低成本是未来的研究方向。The saturation magnetostrictive strain of melt-spun Fe-Ga ribbons increases significantly compared with as-cast Fe-Ga alloys. The main problems in melt-spun Fe-Ga ribbons are reviewed. The dependence of microstructure and magnetostriction on Ga content, ternary additions, melt-spinning linear velocity and heat treatment are summaized. The enhancing mechanism of saturation magnetostrictive strain in melt-spun Fe-Ga alloys was introduced. In addition to the basic reason leading to magnetostriction as in Fe-Ga ingot alloys, （100） preferred orientation and B2-like structure are main reasons resulting in the enhancement of saturation magnetostrictive strain in Fe-Ga melt-spun ribbons. At last, the prospects of the possible developments in the future are proposed, that is to enhance stable magnetostriction and decrease production cost.

关 键 词：Fe-Ga快淬薄带 磁致伸缩 进展 

分 类 号：O482.526[理学—固体物理]