مظفری, مرتضی
گروه فیزیک، دانشگاه اصفهان
[ 1 ] - بررسی ویژگیهای مغناطیسی کامپوزیتهای نرم مغناطیسی پایه آهن پوشش داده شده با عایق سیلیکات سدیم
In this study, iron powder (~45 μm) with the minimum purity of 99% was insulated by the 1 to 4 wt% sodium silicate insulator (SiO2.3Na2O solution in 40 wt% water) and the 0.5 wt% zinc stearate. Insulated powders were pressed in a die with a toroidal shape at the pressure of 320 MPa. The effects of insulator percentage and annealing temperature on the magnetic permeability, core l...
[ 2 ] - Preparation and Characterization of Manganese Ferrite Nanoparticles via Co-precipitation Method for Hyperthermia
In this work, Mn ferrite nanopowders were prepared by co-precipitation method and were characterized. Phase identification of the nanopowders was performed by X-ray diffraction method and the mean particle size of the nanopowders was calculated by Scherrer's formula, using necessary corrections. Magnetic parameters of the prepared nanopowders were measured by a vibrating sample magnetome...
[ 3 ] - A Comparative Study of Insulators on Magnetic Properties of Sendust Based Nanocomposite Powder Cores
In this study, Sendust (Fe85Si9.6Al5.4) nanostructure alloy was prepared bymechanical alloying and was characterized by X-ray diffraction. In addition, the alloy’smorphology and its distribution particle size were investigated by scanning electronmicroscopy method. The alloyed powders were insulated with 4wt% of three differentinsulating materials including polyvinyl alc...
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