Studies of Plastically Deformed Ni-Mn-Ga Ferromagnetic Shape Memory Alloy

Andrzej Drdzeń; Tomasz Goryczka; Krystian Prusik; Henryk Morawiec; Józef Lelątko

doi:10.4028/www.scientific.net/SSP.163.123

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HomeSolid State PhenomenaSolid State Phenomena Vol. 163Studies of Plastically Deformed Ni-Mn-Ga...

Studies of Plastically Deformed Ni-Mn-Ga Ferromagnetic Shape Memory Alloy

Abstract:

A polycrystalline ferromagnetic Ni2MnGa alloy with chemical composition of 49.13 at % Ni, 27.48 at % Mn and 23.39 at % Ga was hot rolled at 10000C causing deformation of 27%, 57% or 69%. The influence of the rolling process on the structure and texture of the parent phase were analyzed by EBSD and by X-ray powder diffraction methods. All samples revealed presence of the reversible martensitic transformation. During the solidification process columnar grains were formed with the <110>B2 texture. Sample deformation done by hot-rolling caused texture evolution from the <110> via <100> to the complete random distribution.

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Periodical:

Solid State Phenomena (Volume 163)

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123-126

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.163.123

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Online since:

June 2010

Authors:

Andrzej Drdzeń, Tomasz Goryczka, Krystian Prusik, Henryk Morawiec, Józef Lelątko

Keywords:

Electron Backscatter Diffraction (EBSD), Ferromagnetic Shape Memory Alloys (FSMAs), Magnetic Shape Memory, Ni-Mn-Ga

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