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Volume 12
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10.3390/nano12060963
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Article

Manufacturing of Textured Bulk Fe-SmCo5 Magnets by Severe Plastic Deformation

by
Lukas Weissitsch
1,*,
Martin Stückler
1,
Stefan Wurster
1,
Juraj Todt
2,
Peter Knoll
3,
Heinz Krenn
3,
Reinhard Pippan
1 and
Andrea Bachmaier
1
1
Erich Schmid Institute of Materials Science of the Austrian Academy of Sciences, 8700 Leoben, Austria
2
Department of Material Physics, Montanuniversität Leoben, 8700 Leoben, Austria
3
Institute of Physics, University of Graz, 8010 Graz, Austria
*
Author to whom correspondence should be addressed.
Nanomaterials 2022, 12(6), 963; https://doi.org/10.3390/nano12060963
Submission received: 1 February 2022 / Revised: 17 February 2022 / Accepted: 11 March 2022 / Published: 14 March 2022
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Abstract

Exchange-coupling between soft- and hard-magnetic phases plays an important role in the engineering of novel magnetic materials. To achieve exchange coupling, a two-phase microstructure is necessary. This interface effect is further enhanced if both phase dimensions are reduced to the nanometer scale. At the same time, it is challenging to obtain large sample dimensions. In this study, powder blends and ball-milled powder blends of Fe-SmCo5 are consolidated and are deformed by high-pressure torsion (HPT), as this technique allows us to produce bulk magnetic materials of reasonable sizes. Additionally, the effect of severe deformation by ball-milling and severe plastic deformation by HPT on exchange coupling in Fe-SmCo5 composites is investigated. Due to the applied shear deformation, it is possible to obtain a texture in both phases, resulting in an anisotropic magnetic behavior and an improved magnetic performance.
Keywords: high-pressure torsion; ball milling; nanostructured materials; exchange coupling; magnetic anisotropy high-pressure torsion; ball milling; nanostructured materials; exchange coupling; magnetic anisotropy
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MDPI and ACS Style

Weissitsch, L.; Stückler, M.; Wurster, S.; Todt, J.; Knoll, P.; Krenn, H.; Pippan, R.; Bachmaier, A. Manufacturing of Textured Bulk Fe-SmCo5 Magnets by Severe Plastic Deformation. Nanomaterials 2022, 12, 963. https://doi.org/10.3390/nano12060963

AMA Style

Weissitsch L, Stückler M, Wurster S, Todt J, Knoll P, Krenn H, Pippan R, Bachmaier A. Manufacturing of Textured Bulk Fe-SmCo5 Magnets by Severe Plastic Deformation. Nanomaterials. 2022; 12(6):963. https://doi.org/10.3390/nano12060963

Chicago/Turabian Style

Weissitsch, Lukas, Martin Stückler, Stefan Wurster, Juraj Todt, Peter Knoll, Heinz Krenn, Reinhard Pippan, and Andrea Bachmaier. 2022. "Manufacturing of Textured Bulk Fe-SmCo5 Magnets by Severe Plastic Deformation" Nanomaterials 12, no. 6: 963. https://doi.org/10.3390/nano12060963

APA Style

Weissitsch, L., Stückler, M., Wurster, S., Todt, J., Knoll, P., Krenn, H., Pippan, R., & Bachmaier, A. (2022). Manufacturing of Textured Bulk Fe-SmCo5 Magnets by Severe Plastic Deformation. Nanomaterials, 12(6), 963. https://doi.org/10.3390/nano12060963

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