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首页> 外文期刊>Physica status solidi, B. Basic research >The way composition affects martensitic transformation temperatures of Ni-Mn-Ga Heusler alloys
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The way composition affects martensitic transformation temperatures of Ni-Mn-Ga Heusler alloys

机译:成分影响Ni-Mn-Ga Heusler合金马氏体相变温度的方式

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摘要

A systematic substitution of Ge, Si, C and Co for Ga in the non-stoichiometric Ni-Mn-Ga alloys was performed. The relationship between the compositions of different elements including Ni, Mn, Ga, Ge, Si, C, Co, In and martensitic transformation temperature (Ms) was studied in detail for the present alloys together with data collected from a variety of sources. It is found that Ms is a sensitive parameter to the composition. The size factor and electron concentration are usually thought to be the way the composition influences Ms in the Ni-Mn-Ga alloys. Here, analyzing by linear regression, the electron density maybe a most appropriate parameter to describe the way the composition influences Ms when compared with size factor and electron concentration.
机译:对非化学计量的Ni-Mn-Ga合金中的Ga进行了Ge,Si,C和Co的系统替代。对于本合金,详细研究了包括镍,锰,镓,锗,硅,碳,钴,铟和马氏体转变温度(Ms)在内的不同元素的组成之间的关系,并从各种来源收集了数据。发现Ms是组成的敏感参数。通常认为尺寸因子和电子浓度是组成影响Ni-Mn-Ga合金中Ms的方式。在这里,通过线性回归分析,当与尺寸因子和电子浓度相比时,电子密度可能是最合适的参数,用于描述成分影响Ms的方式。

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