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http://dx.doi.org/10.4150/KPMI.2005.12.5.362

Effect of Grain Size on Nanostructured Fe-20 wt.%Si Alloy Powders Produced by High-energy ball milling  

Kim, Se-Hoon (Division of Materials Science and Engineering, Hanyang University)
Lee, Young Jung (Division of Materials Science and Engineering, Hanyang University)
Lee, Baek-Hee (Division of Materials Science and Engineering, Hanyang University)
Lee, Kyu Hwan (Future Technology Research Division, Korea Institute of Science and Technology)
Kim, Young Do (Division of Materials Science and Engineering, Hanyang University)
Publication Information
Journal of Powder Materials / v.12, no.5, 2005 , pp. 362-368 More about this Journal
Abstract
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 $Fe_{3}Si$ and hcp $Fe_{5}Si_3$ phases and exhibited a minimum coercivity of approximately 50 Oe.
Keywords
Fe-Si; Nanostructured alloy powder; High-energy ball milling;
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