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The Effect of Ti Content on α' Martensite Phase Transformation, and Magnetic Properties by Mössbauer Spectroscopy in Fe-30%Ni-x%Ti (wt%) Alloys

100%

Yaşar E., Erdem U., Akif Tuna M., Armağan O., Kırındı T.

Acta Physica Polonica A

2018

vol. 133

issue 5

1165-1169

In this study, the influence of Ti content on the microstructure of the martensite bcc α'), which was formed by thermal effect, was investigated by scanning electron microscope and transmission electron microscope observations, in Fe-30Ni-xTi (x=0.8, 1.8, 2.6) alloys. The crystallographic orientation relationship between austenite fcc (γ) and thermally induced bcc (α') martensite was found to be as (111)_{γ}/(011)_{α} (Kurdjumov-Sachs (K-S)), by the electron diffraction analysis. The martensitic transformation temperature (M_{s}) of α' martensite was determined as -41°, -62°, and -76 ° in the alloys with 0.8%, 1.8%, and 2.6% Ti concentration, respectively. The Mössbauer spectrometer analysis has been revealed by a paramagnetic character for the austenite phase and magnetically order character for α' martensite phase. Hyperfine magnetic field, isomer shift and volume fractions of phases were determined by the Mössbauer spectroscopy.

Effect of Mn Amount on Phase Transformations and Magnetic Properties in Fe-Mn-Mo-Si Alloys

75%

Armağan O., Kirindi T., Armağan O., Kirindi T.

Archives of Metallurgy and Materials

2021

vol. 66

issue 1

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1 Acta Physica Polonica A

1 Archives of Metallurgy and Materials

1 2021

1 2018

2 Armağan O.

1 Akif Tuna M.

1 Erdem U.

1 Kirindi T.

1 Kırındı T.

1 Yaşar E.

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The Effect of Ti Content on α' Martensite Phase Transformation, and Magnetic Properties by Mössbauer Spectroscopy in Fe-30%Ni-x%Ti (wt%) Alloys

Effect of Mn Amount on Phase Transformations and Magnetic Properties in Fe-Mn-Mo-Si Alloys