Ni-Fe-Ga-based alloys form a new class of Ferromagnetic Shape Memory Alloys. The problem of brittleness of the Ni-Mn-Gabased alloys can largely be overcome in case of Ni–Fe–Ga-based ones by introducing a disordered fcc
g-phase. The current study explores thermo-mechanical processing of this alloy using an off-stoichiometric
Ni55Fe19Ga26 alloy containing the ductile
g-phase. Hot-rolling of
Ni55Fe19Ga26 alloy was carried out at
950°C and 1000°C, both with and without mild steel jacket. The microstructure of the hot-rolled products was analyzed in detail. Microtexture analyses were carried out both for the
L21 and the g-phase independently using Electron Back-Scattered Diffraction technique. |