Effect of Si on austenite stabilization,martensite morphology,and magnetic properties in Fe-26%Ni-x%Si alloys |
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Authors: | H Gungunes E Yasar and M Dikici Science and Arts Faculty |
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Institution: | , Department of Physics, Hitit University, Corum 19030, Turkey 2) Science and Arts Faculty, Department of Physics, Kirikkale University, Kirikkale 71450, Turkey |
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Abstract: | The effect of Si on the austenite stabilization, martensite morphology, and magnetic properties in Fe-26%Ni-x%Si (x=3.5, 5, and 6) alloys have been studied by means of transmission electron microscopy (TEM) and M?ssbauer spectroscopy techniques. TEM observations reveal that the martensite morphology is closely dependent on the Si content. The volume fraction changes of martensite and austenite phases, the hyperfine magnetic field, and isomer shift values have been determined by Mssbauer spectroscopy. The M?ssbauer study reveals that the hyperfine magnetic field, the isomer shift values and the volume fraction of martensite decrease with increasing Si content. |
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Keywords: | ferrous alloys martensite morphology magnetic properties transmission electron microscopy (TEM) mssbauer spectroscopy |
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