DataVXAdvanced Engineering MaterialsPaper
journal article·2018-04

Crystallography of Martensitic Transformation in Epitaxial Ni50Mn30Ga20 Thin Film

Bo Yang, Tingting Liu, Xiao Wen Hao, Zong Bin Li, Yu Dong Zhang, Gao Wu Qin, Marie‐Jeanne Philippe, Claude Esling, Xiang Zhao, Liang Zuo

Advanced Engineering Materials· Volume 20· Issue 4
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Source abstract

Abstract

In the present work, scanning electron microscopy and electron backscatter diffraction technique revealed that the microstructure of epitaxial Ni50Mn30Ga20 thin films are composed of six different orientated NM martensite variant colonies. In each martensite variant colony, there are eight different orientated NM martensite variants. The six NM and 7M martensite variant colonies are transformed from six (101)A planes of austenite, with the transformation consequence from Austenite to 7M martensite and then to NM martensite. Cross section TEM examination reveals the coexistence of 7M martensite and NM martensite. The habit plane between 7M martensite and NM martensite can be determined as (001)mono of 7M martensite and (112)Tetr of NM martensite.
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Research context

OpenAlex topics: Shape Memory Alloy Transformations · Magnetic and transport properties of perovskites and related materials · Magnetic Properties and Applications

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Affiliations

Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, School of material science and engineering, Northeastern University 110819 Shenyang China

Laboratoire d'Étude des Microstructures et de Mécanique des Matériaux (LEM3), CNRS UMR 7239, University of Lorraine 57045 Metz France

Laboratory of Excellence on Design of Alloy Metals for low‐mAss Structures (DAMAS), Université de Lorraine 57045 Metz France

Funding

National Natural Science Foundation of China · China Postdoctoral Science Foundation

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