- Effect of Grain Size on Nanostructured Fe-20 wt.%Si Alloy Powders Produced by High-energy ball milling
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Se-Hoon Kim, Young Jung Lee, Baek-Hee Lee, Kyu Hwan Lee, Young Do Kim
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J Korean Powder Metall Inst. 2005;12(5):362-368.
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DOI: https://doi.org/10.4150/KPMI.2005.12.5.362
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 Abstract
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- The structural and magnetic properties of nanostructued Fe-20 ;wt.%Si alloy powders were investigated. Commercial Fe-20 wt.%Si alloy powders (Hoeganaes Co., USA) with 99.9% purities were used to fabricate the nanostructure Fe-Si alloy powders through a high-energy ball milling process. The alloy powders were fabricated at 400 rpm for 50 h, resulting in an average grain size of 16 nm. The nanostructured powder was characterized by fcc Fe_3Si and hcp Fe_5Si_3 phases and exhibited a minimum coercivity of approximately 50 Oe.
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