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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Martensitic transformation and magnetic properties in high-Mn content Mn_(50)Ni_(50-x)In_x ferromagnetic shape memory alloys
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Martensitic transformation and magnetic properties in high-Mn content Mn_(50)Ni_(50-x)In_x ferromagnetic shape memory alloys

机译：高锰含量Mn_（50）Ni_（50-x）In_x铁磁形状记忆合金的马氏体转变和磁性

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摘要

A series of Mn_(50)Ni_(50-x)In_x (x = 9.75, 10, 10.25, 10.5 10.75, and 11) ferromagnetic shape memory alloys with Mn content as high as 50 at.% were prepared. The martensitic transformation (MT), magnetocaloric effect, and magnetoresistance in Mn_(50)Ni_(50-x)In_x alloys were investigated. With x increasing from 9.75 to 11, the MT temperature decreased from 270 to 110 K and the Curie temperature of austenite remains relatively constant. Large positive magnetic entropy change and negative magnetoresistance were observed around MT temperatures in these alloys. Large magnetic entropy change and magnetoresistance would be ascribed to the temperature and magnetic field-induced MT in Mn_(50)Ni_(50-x)In_x alloys.
机译：制备了一系列Mn_（50）Ni_（50-x）In_x（x = 9.75、10、10.25、10.5 10.75和11）的Mn含量高达50 at。％的铁磁形状记忆合金。研究了Mn_（50）Ni_（50-x）In_x合金的马氏体相变（MT），磁热效应和磁阻。随着x从9.75升高到11，MT温度从270降低到110 K，奥氏体的居里温度保持相对恒定。这些合金在MT温度附近观察到较大的正磁熵变和负磁阻。 Mn_（50）Ni_（50-x）In_x合金的温度和磁场感应的MT归因于较大的磁熵变和磁阻。

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