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Fe-25 wt% Y 2 O 3 composite powders have been fabricated by mechanical milling (MM) Fe powders of 100 μm in diameter and Y 2 O 3 nanoparticles in an argon atmosphere for the milling periods of 4, 8, 12, 24, 36, and 48 h, respectively. The features of these powders were characterized by using X-ray diffraction (XRD), scanning electron microscopy (SEM), electron probe micro analyzer (EPMA) and transmission electron microscopy (TEM). The experimental results showed that the mean particle size anddoi:10.1016/j.pnsc.2013.06.009 fatcat:jys4y25bprbr7in4s2pkj56kt4