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Synthesis of Fe–Pd and FePd/Ta magnetic nanocomposites by severe plastic deformation

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4 Author(s)
Saha, S. ; Department of Materials Science and Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania 15261 ; Kulovits, A. ; Soffa, W.A. ; Barnard, J.A.

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Severe plastic deformation (SPD) and cyclic codeformation were used to prepare bulk magnetic nanocomposite of ordered L10 Fe-Pd phase and soft α-Fe following an atomic ordering and precipitation reaction. Enhanced coercivity and remanence have been achieved with this method. Layering of Ta foils with the Fe–34 at. %Pd foils was explored in an effort to minimize nanocomposite grain size by confinement. Faster kinetics and improvement in the remanence resulted from Ta layering.

Published in:

Journal of Applied Physics  (Volume:97 ,  Issue: 10 )