Wei Zhang1,*, Tengwei Qiu1, Chunyan Yao2
FDMP-Fluid Dynamics & Materials Processing, Vol.16, No.4, pp. 709-721, 2020, DOI:10.32604/fdmp.2020.010748
Abstract In this study, magnetic abrasives were obtained by crushing and sieving
sintered iron-silicon carbide (Fe-SiC) composites. Fe and SiC powders with different mesh numbers were pre-compacted using different pressures and then sintered at various temperatures and with different holding times. The dispersion
uniformity of the SiC powder was improved through surface modification using
polyethylene glycol (PEG) 300. The resulting magnetic abrasives were characterized in terms of phase composition, density, relative permeability, and microstructure; this was followed by a comprehensive analysis to reveal the optimal
processing parameters. The ideal combination of process parameters for preparing
SiC magnetic-abrasive grains for the magnetic… More >
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