Abstract
The structural and the magnetic properties of nanocrystalline Fe47.5Mn47.5C5 alloys were prepared by using a mechanical alloying technique, used the commercial Fe, Mn, and C powders as precursors. It was studied in detail as function of the milling times of 1- to 48 hrs. The structural analysis based on X-ray diffraction and extended X-ray absorption fine structure spectroscopy revealed that the alloying process took place after 36 hrs milling. Concerning the magnetic behavior, the data obtained from a vibrating sample magnetometer showed that both the magnetic saturation and the coercivity depended strongly on the milling time and the crystallite size. With these results, by adjusting the milling time shows that an appropriate structural transformation and appropriate magnetization value.
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