Magnetic and Structural Properties of Nitrified FINEMET Powder Using by Mechanical Milling Method

Seong Min Hong; Cheol Gi Kim; Chong Oh Kim

doi:10.4028/www.scientific.net/MSF.558-559.1313

Paper Titles

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Specific Phenomena in Severe Plastic Deformation Processed SUS310S Austenitic Stainless Steel Powder
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Formation of Ultra Fine Grained Structure during Annealing of Heavily Drawn Metastable Austenitic Steel Wire
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Magnetic and Structural Properties of Nitrified FINEMET Powder Using by Mechanical Milling Method
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Crystallization Behavior and Mechanical Property of Cu Based Metallic Glass Powders
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Synthesis and Structural Characterization of Nanoscale BaTiO₃ Powders
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Recrystallization Behavior of Nano Grained Cu-Zn Alloy Produced by Multi-Directional Forging
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HomeMaterials Science ForumMaterials Science Forum Vols. 558-559Magnetic and Structural Properties of Nitrified...

Magnetic and Structural Properties of Nitrified FINEMET Powder Using by Mechanical Milling Method

Abstract:

The magnetic and structural properties of FINEMET [Fe73.5Si13.5B9Nb3Cu1 wt %] amorphous powder were investigated after nitrification and mechanical milling. Fe-based amorphous powder were nitrified and crystallized simultaneously at 550°Cusing by ammonia(NH3) gas. Nitrified powder exhibited iron nitride phase such as γ′-Fe4N, Fe3N and α″-Fe16N2. Nitrified particles were more brittle than raw particles. As a result, nanometer sized nitride powder were fabricated by high energetic ball milling method. The saturation magnetization(Ms) and coercivity(Hc) of nitrified powder were increased due to nitride phase.