Fe和Co元素在铁磁性形状记忆合金Mn_(50)Ni_(25-x)Fe(Co)_xGa_(25)中的作用  

Effect of Fe and Co in ferromagnetic shape memory alloy Mn_(50)Ni_(25-x)Fe(Co)_xGa_(25)

作　　者：刘国栋[1,2] 王新强[1] 代学芳[3] 柳祝红[3] 于淑云[3] 陈京兰[3] 吴光恒[3] 

机构地区：[1]重庆大学数理学院 [2]中国科学院物理研究所磁学国家重点实验室,北京100080 [3]中国科学院物理研究所磁学国家重点实验室

出　　处：《物理学报》2006年第9期4883-4887,共5页Acta Physica Sinica

基　　金：国家自然科学基金(批准号:50471056)资助的课题.~~

摘　　要：为了进一步改善材料的性能和探索新的材料,将Mn_2NiGa合金中的Ni元素分别用Fe和Co替代,制备了Mn_(50)Ni_(25-x)Fe(Co)_xGa_(25)系列合金.研究了Fe和Co元素对Mn_2NiGa合金的结构、马氏体相变行为、磁性和机械性能等方面的影响.The ferromagnetic shape memory alloy Mn2 NiGa was developed recently. In order to improve the properties of this material and develop new ferromagnetic shape memory alloys, in this work an experiment of partially substituting Fe or Co for Ni in Mn2 NiGa alloys was carried out to examine the effect of Fe or Co in quaternary Mn50Ni25-xFe（Co）xGa25 alloys on their structure, magnetic properties, martensitic transformation, and mechanical properties. Some interesting results were presented in this paper.

关 键 词：铁磁形状记忆合金 HEUSLER合金 Mn50Ni25-xFe(Co)xGa25 

分 类 号：O482.523[理学—固体物理]