Preparation and Characterization of Amorphous Soft Magnetic FeSiB Powders and Spark Plasma Sintered Compacts

Bogdan Viorel Neamţu; Traian Florin Marinca; Ionel Chicinaş; Florin Popa; Olivier Isnard

doi:10.4028/www.scientific.net/SSP.216.163

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HomeSolid State PhenomenaSolid State Phenomena Vol. 216Preparation and Characterization of Amorphous Soft...

Preparation and Characterization of Amorphous Soft Magnetic FeSiB Powders and Spark Plasma Sintered Compacts

Abstract:

Wet mechanical alloying (MA) were used to prepare amorphous soft magnetic Fe₇₅Si₂₀B₅ (at.%) powders starting from elemental powders of Fe, Si and B. The structural, morphological and magnetic properties of the powders were investigated. It was found that wet MA leads to the amorphisation of the alloy after 40 hours of wet milling using benzene (C₆H₆) as process control agent (PCA). The influence of the wet MA process on the saturation magnetization of the powders was investigated. Amorphous powder of Fe₇₅Si₂₀B₅ (at.%) obtained by wet MA route was used to prepare compacts by spark plasma sintering (SPS). The chosen sintering temperature was 800, 850 and 900 oC. Toroidal samples of Fe₇₅Si₂₀B₅ (at.%) were investigated in DC and AC magnetization regime and their magnetic properties were correlated with sintering parameters, compacts density and phases evolution during sintering.

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Solid State Phenomena (Volume 216)

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163-168

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https://doi.org/10.4028/www.scientific.net/SSP.216.163

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Online since:

August 2014

Authors:

Bogdan Viorel Neamţu*, Traian Florin Marinca, Ionel Chicinaş, Florin Popa, Olivier Isnard

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Amorphous Soft Magnetic Powders, Spark Plasma Sintering (SPS), Wet Mechanical Alloying

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