SPD-induced changes of structure and magnetic properties in the Cu–Co alloys

B.B Straumal,G Schütz,B Baretzky,S.G Protasova,A.A Mazilkin,P Zięba,O.A Kogtenkova,L Kurmanaeva,A Korneva

doi:10.1016/j.matlet.2013.02.058

SPD-induced changes of structure and magnetic properties in the Cu–Co alloys

B.B Straumal, G Schütz + Show 7 more

https://doi.org/10.1016/j.matlet.2013.02.058

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Journal: Materials letters	Publication Date: Feb 19, 2013
Citations: 15

Affiliation: Max Planck Institute for Intelligent Systems, Max Planck Society, Karlsruhe Institute of Technology, Russian Academy of Sciences, Georgi Nadjakov Institute of Solid State Physics, Institute of Metallurgy and Materials Science, Polish Academy of Sciences

#High-pressure Torsion #Diamagnetic Matrix + Show 8 more

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Abstract

Abstract The microstructure and magnetic properties of binary Cu–Co alloys are studied. The investigations have been carried out using samples in two structural states, i.e. as-cast and after severe plastic deformation by the high-pressure torsion (HPT) carried out at the ambient temperature and pressure of 6 GPa. The grain size after HPT is in the nanometer range. HPT allows one to control the ratio between ferromagnetic and superparamagnetic precipitates in the diamagnetic matrix.

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