Electrical/Magnetic Properties of Al/ Fe2O3 Laminated Composites
To fabricate ultra-fine grain structures containing high strength, accumulative roll bonding is a kind of severe plastic deformation (SPD). In the present study, magnetic Al/ Fe2</sub>O3</sub> composites reinforced with 0, 2.5% and 5Wt.% of Fe2</sub>O3 </sub>particles have been manufactured via ARB. A uniform distribution of Iron oxide particles was achieved after the 8th</sup> cycles of ARB. Mechanical properties include (hardness, elongation, toughness) and also, magnetic and electrical properties such as magnetic saturation, magnetic permeability and magnetic residuals were studied. The presence of Fe2</sub>O3 </sub>particles improved the mechanical, electrical and magnetic properties of this kind of laminated composites. Vibrating sample magnetometer was utilized to study the magnetic properties of samples vs No. of steps.
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