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Elucidation of microstructures produced in Ni51Fe22Ga27 ferromagnetic shape memory alloy

Authors :
Daisuke Shindo
Ryosuke Kainuma
Katsunari Oikawa
T. Yano
Kiyohito Ishida
Yasukazu Murakami
Source :
Journal of Applied Physics. 107:043904
Publication Year :
2010
Publisher :
AIP Publishing, 2010.

Abstract

Both the magnetic and crystallographic microstructures in the ferromagnetic shape memory alloy Ni51Fe22Ga27 were extensively studied by electron holography, electron diffraction, dark-field image observations, and the phenomenological crystallographic theory of martensitic transformations. This study elucidated anomalies that were observed in the magnetic flux pattern before the onset of the martensitic transformation. Furthermore, the observations clarified the relationship between the magnetization vectors and the shape strain directions in the martensite variants that formed a self-accommodation group.

Details

ISSN :
10897550 and 00218979
Volume :
107
Database :
OpenAIRE
Journal :
Journal of Applied Physics
Accession number :
edsair.doi...........e000a924819f2b0a5cd5c14ef462c92f
Full Text :
https://doi.org/10.1063/1.3309321