Study of 10M' Nanotwinned Phase in the Vicinity of Martensitic Transformation in Ni-Mn-Ga Magnetic Shape Memory Alloy

被引：3
|
作者：
Vertat, P. [1 ,2 ]
Straka, L. [1 ]
Drahokoupil, J. [1 ]
Heczko, O. [1 ,3 ]
机构：
[1] Czech Acad Sci, Inst Phys, Slovance 2, Prague 18221 8, Czech Republic
[2] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Dept Solid State Engn, Trojanova 13, Prague 12000, Czech Republic
[3] Charles Univ Prague, Fac Math & Phys, Ke Karlovu 5, CR-12116 Prague, Czech Republic
来源：
ACTA PHYSICA POLONICA A | 2018年 / 134卷 / 03期
关键词：
D O I：
10.12693/APhysPolA.134.859
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Ni-50.Mn-0(28).Ga-5(21).(5) single crystal exhibiting magnetic shape memory effect was analysed by X-ray diffraction, electric resistivity and differential scanning calorimetry. Based on the intensities of the measured diffraction peaks, we discuss the evolution of the structure and microstructure during heating and cooling. Electric resistivity and DSC curves detect anomalous behaviour prior the transformation from martensite to austenite. We ascribe these pre-transformation changes in measured curves to formation of the recently discovered nanotwinned form of 10M martensite.
引用
收藏
页码：859 / 862
页数：4
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