# Fileset

[REPM2025_O11-3_Volegov.pdf](https://mdr.nims.go.jp/filesets/c7c42945-29a1-4fa5-bf2a-af1d7845a2ff/download)

## Creator

Alexey S. Volegov, Sergey V. Andreev, Oksana A. Golovnia, Aleksandra A. Golubyatnikova, Ilia A. Ivanov, Viktoria E. Maltseva, Dmitriy S. Neznakhin, Andrey V. Protasov, Nadezhda V. Selezneva, Elena A. Stepanova, Arkadiy N. Shalaginov

## Rights

[Creative Commons BY-NC-SA Attribution-NonCommercial-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-nc-sa/4.0/)

## Other metadata

[Additive Manufacturing of Hard Magnetic Materials Nd2Fe14B and Sm(Fe,Ti,V)12](https://mdr.nims.go.jp/datasets/7962d50c-98b9-4e3c-91aa-de10f29136c7)

## Fulltext

Additive Manufacturing of Hard Magnetic Materials Nd2Fe14B and Sm(Fe,Ti,V)12ALEKSEY VOLEGOV, PhDHead of the Department of Magnetism and Magnetic NanomaterialsURAL FEDERAL UNIVERSITY Institute of Natural Sciences and MathematicsYekaterinburg, RussiaOUTLINE‣ Additive Manufacturing‣ Motivation‣ 3D-Printed Metal Magnets‣ Textured 3D-Printed Metal Magnets‣ Future Prospects2/16The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications, July 27th - 31st3/16• Any shape of parts, ideal for small-series production• Minimal waste• Reduced production cycle time• Local tuning of material properties• One-step fabrication of multimaterial devices• Product performance constraints• Limited availability of source materials• Post-processing often required• High production cost• Closed software and hardware environmentsBenefits and LimitationsADDITIVE MANUFACTURING4/16Additive ManufacturingADDITIVE MANUFACTURING TYPES • Material Extrusion• Material Jetting• Sheet Lamination• Vat Photopolymerization• Binder Jetting• Powder Bed Fusion• Direct Energy Deposition5/16THE AIM of this work is to realize additive manufacturing by PBF of permanent magnets and magnetic systems with spatially tunable properties, and performance comparable with commercial magnets.The ultimate aim is to achieve controllabletexture in 3D-printing.Gardner M. C., Johnson M., Toliyat H. A. Performance impacts of practical fabrication tradeoffs for a radial flux coaxial magnetic gear with Halbach arrays and air cores //2019 IEEE Energy Conversion Congress and Exposition (ECCE). – IEEE, 2019. – С. 3129-3136MOTIVATIONCurrently, magnetic systems are assembled from individual components, including magnets, conductors, and structural parts.https://www.youtube.com/watchapp=desktop&v=09h3xa6nQco&utm_medium=organic&utm_source=yandexsmartcameraThere is a need for magnetic systems with complicated magnetic flux distribution  Simple shapes of industrial magnets6/16Starting material 3D-PRINTED METAL MAGNETSMQP-SF. Bittner et. al. / Progress in Additive Manufacturing (2020) 5:3–9[ Nd17.2Pr1.9Fe69.8Co2.8Cu0.1Ti2.1Zr4.3C0.1B1.7 ]F. Yang et al. / Journal of Alloys and Compounds 779 (2019) 900-907NOT suitable for PBF of permanent magnetsTop view Side view• RE lean composition• Isotropic polycrystalsPOOR MAGNETIC PROPERTIESTypical powder for conventional magnets 7/16First try of 3D-printed magnets with in situ infiltration 3D-Printed Metal MagnetsMQP-B + (Nd,Pr)-Cu-CoThe feature of the method is in situ infiltrationA.S. Volegov et al. / Acta Materialia 188 (2020) 733739• Low melting point binder• Overheating protection• In situ infiltration8/16Single layer magnetMQP-B + (Nd,Pr)-Cu-Co3D-Printed Metal Magnets9/16Multi layer magnets [bulk]3D-Printed Metal Magnets10/16Additive manufacturing of (Sm,Zr)Fe11Ti magnets (Sm1-xZrx)Fe11Ti – main alloySm75(Cu,Co)25 – additive3D-Printed Metal Magnets‣ Additive Manufacturing‣ Motivation‣ 3D-Printed Metal Magnets‣ Textured 3D-Printed Metal Magnets‣ Future Prospects11/16The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications, July 27th - 31stOUTLINE12/16TEXTURED 3D-PRINTED METAL MAGNETS13/16Textured 3D-Printed Metal MagnetsBenchmark13/16Textured 3D-Printed Metal MagnetsBenchmark14/16FUTURE PROSPECTS• We have demonstrated anisotropic Nd-Fe-B magnet obtained using powder bed fusion with coercivity 1.15 T, remanence 1.0 T and maximum energy product 175 kJ/m3.    • Additive manufacturing of permanent magnets and magnetic systems holds attractive prospects, but to unlock them we need some time and creative solutionsClosing ThoughtsThe work was financially supported by Russian Scientific Foundation (Grant 21-72-10104) and by the Ministry of Science and Higher Education of the Russian Federation (FEUZ-2024-0060)15/16The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications, July 27th - 31stSergeyAndreevNadezhdaSeleznevaDmitriyNeznakhinAndreyUrzhumtsevOksanaGolovniaElenaStepanovaAndreyProtasovIlyaOkulov ArkadiyShalaginovAlexandraGolubyatnikovaIlyaIvanovViktoriaMaltsevaNataliaNosova16/16The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications, July 27th - 31stThank you for your attentionご清聴ありがとうございました。 Слайд 1, Additive Manufacturing of Hard Magnetic Materials Nd2Fe14B and Sm(Fe,Ti,V)12 Слайд 2 Слайд 3 Слайд 4 Слайд 5 Слайд 6 Слайд 7 Слайд 8 Слайд 9 Слайд 10 Слайд 11 Слайд 12 Слайд 13 Слайд 14 Слайд 15 Слайд 16 Слайд 17