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Micron. 2010 Jul;41(5):537-9. doi: 10.1016/j.micron.2010.02.001. Epub 2010 Feb 11.

Aspects of thermal martensite in a FeNiMnCo alloy.

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1
Department of Physics, Hitit University, 19030 Corum, Turkey. mlkgnr@gmail.com

Abstract

Thermal martensite characteristics in Fe-29%Ni-2%Mn-2%Co alloy were investigated with scanning electron microscopy (SEM) and Mössbauer spectroscopy characterization techniques. SEM observations obviously revealed the lath martensite morphology in the prior austenite phase of examined alloy. As well, the martensitic transformation kinetics was found to be as athermal type. On the other hand, Mössbauer spectroscopy offered the paramagnetic austenite phase and ferromagnetic martensite phase with their volume fractions. Also, the internal magnetic field of the martensite was measured as 32.9T from the Mössbauer spectrometer.

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