Techniques to characterize ternary and quaternary ferromagnetic shape memory alloys

IF 8.1 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Critical Reviews in Solid State and Materials Sciences Pub Date : 2020-12-24 DOI:10.1080/10408436.2020.1860902

Riaz Ahamed, R. Ghomashchi, Zonghan Xie, Lei Chen

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引用次数: 0

Abstract

Abstract Ni-Mn-X (X = group IIIA-VA elements) Heusler alloys have been seen to exhibit multiferroic effects such as magnetic/metamagnetic shape memory (MSM/MMSM), magnetocaloric (MC), direct energy conversion etc. and have a large potential for diverse applications in actuation, magnetic refrigeration and conversion of low grade waste heat into electricity. Beneath the multifunctional potential of these alloys is a magnetostructural coupling encompassing structural and magnetic transformations, which in turn depends on alloy compositions. As compositions are varied different crystal structures are evolved and it becomes essential that the structures are accurately characterized for their microstructures. This paper provides a short review of characterization techniques such as X-ray diffraction (XRD), transmission electron microscopy (TEM) and differential scanning calorimetry (DSC) with examples from our work as well as literature. Emphasis is laid on XRD, TEM and DSC, which are very important for microstructural characterization.

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表征三元和四元铁磁形状记忆合金的技术

摘要:Ni-Mn-X (X =族IIIA-VA元素)Heusler合金具有磁性/超磁性形状记忆(MSM/MMSM)、磁致热(MC)、直接能量转换等多铁性效应，在驱动、磁制冷和低品位废热转化为电能等方面具有很大的应用潜力。在这些合金的多功能潜能之下是包含结构和磁转换的磁结构耦合，这反过来又取决于合金成分。由于组成的变化，形成了不同的晶体结构，因此准确地表征其微观结构就变得至关重要。本文简要介绍了表征技术，如x射线衍射(XRD)，透射电子显微镜(TEM)和差示扫描量热法(DSC)，从我们的工作和文献的例子。重点分析了XRD、TEM和DSC等表征材料微观结构的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Critical Reviews in Solid State and Materials Sciences 物理-材料科学：综合

CiteScore

22.10

自引率

2.80%

发文量

审稿时长

3 months

期刊介绍： Critical Reviews in Solid State and Materials Sciences covers a wide range of topics including solid state materials properties, processing, and applications. The journal provides insights into the latest developments and understandings in these areas, with an emphasis on new and emerging theoretical and experimental topics. It encompasses disciplines such as condensed matter physics, physical chemistry, materials science, and electrical, chemical, and mechanical engineering. Additionally, cross-disciplinary engineering and science specialties are included in the scope of the journal.