Deformation twinning in polycrystalline NiMnGa alloys

被引：5

作者：

Chulist, R. ^{[1
]}

Poetschke, M. ^{[2
]}

Lippmann, T. ^{[3
]}

Oertel, C-G ^{[1
]}

Skrotzki, W. ^{[1
]}

机构：

[1] Tech Univ Dresden, Inst Strukturphys, D-01062 Dresden, Germany

[2] Leibniz Inst Festkorper & Werkstoffforsch, Inst Met Werkstoffe, D-01069 Dresden, Germany

[3] GKSS Forschungszentrum Geesthacht, Inst Werkstoffforsch, D-21502 Geesthacht, Germany

来源：

15TH INTERNATIONAL CONFERENCE ON THE STRENGTH OF MATERIALS (ICSMA-15) | 2010年 / 240卷

关键词：

NI-MN-GA; FIELD-INDUCED STRAIN; SHAPE-MEMORY ALLOY;

D O I：

10.1088/1742-6596/240/1/012024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The texture and local orientation after compression of a NiMnGa polycrystal and a bicrystal with 5M modulated structure were measured with synchrotron radiation and electron backscatter diffraction (EBSD), respectively. Compression of both samples leads to motion of those twin boundaries changing the volume fraction of particular martensitic variants in such a way that the shortest axis (c-axis) becomes preferentially aligned parallel to the compression axis. EBSD directly confirms the motion of twin boundaries within individual grains.

引用

页数：4

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