Presentation Information
[O11-3]Additive Manufacturing of Hard Magnetic Materials Nd2Fe14B and Sm(Fe,Ti,V)12
*Alexey S. Volegov1,2, Sergey V. Andreev1, Oksana A. Golovnia1, Aleksandra A. Golubyatnikova1, Ilia A. Ivanov1, Viktoria E. Maltseva1, Dmitriy S. Neznakhin1, Andrey V. Protasov1,2, Nadezhda V. Selezneva1, Elena A. Stepanova1, Arkadiy N. Shalaginov1 (1. UrFU (Russia), 2. IMP UB RAS (Russia))
Keywords:
additive manufacturing,Nd2Fe14B,Sm(Fe,Ti,V)12,permanent magnet
The development of power engineering and robotics, miniaturisation of high-tech devices containing electric motors and actuators, and electric transport require either a significant improvement in the magnetic hysteresis properties of permanent magnets or a change in approaches to the fabrication of magnetic systems. One approach to changing the design and fabrication of magnetic systems is to fabricate them by additive manufacturing. This approach is advantageous in that it eliminates the use of magnetically soft materials as magnetic cores, thereby reducing the mass of magnetic systems utilised, for instance, as components of electric motors or small generators.
The primary challenge associated with the printing of functional materials pertains to the acquisition of a microstructure that facilitates the attainment of designated magnetic properties, or properties analogous to those of samples fabricated through conventional methodologies. A notable benefit of additive technologies is the capacity to modulate magnetic properties in three dimensions by manipulating the chemical composition, grain size, or grain orientation.
In the talk approaches to the additive manufacturing of magnetically hard materials from alloys based on Nd2Fe14B and Sm(Fe,Ti,V)12 compounds, as well as the results of studies of microstructure and magnetic hysteresis properties will be described. The employment of these techniques has enabled the fabrication of permanent magnets exhibiting coercivity of up to 19.5 kOe for the primary phase of Nd2Fe14B and 5.5 kOe for the Sm(Fe,Ti,V)12 phase. The report will be provided, encompassing the detailed outcomes of the phase composition, microstructure, and magnetic properties analysis of the obtained samples.
The work was financially supported by the Ministry of Science and Higher Education of the Russian Federation FEUZ-2024-0060.
The primary challenge associated with the printing of functional materials pertains to the acquisition of a microstructure that facilitates the attainment of designated magnetic properties, or properties analogous to those of samples fabricated through conventional methodologies. A notable benefit of additive technologies is the capacity to modulate magnetic properties in three dimensions by manipulating the chemical composition, grain size, or grain orientation.
In the talk approaches to the additive manufacturing of magnetically hard materials from alloys based on Nd2Fe14B and Sm(Fe,Ti,V)12 compounds, as well as the results of studies of microstructure and magnetic hysteresis properties will be described. The employment of these techniques has enabled the fabrication of permanent magnets exhibiting coercivity of up to 19.5 kOe for the primary phase of Nd2Fe14B and 5.5 kOe for the Sm(Fe,Ti,V)12 phase. The report will be provided, encompassing the detailed outcomes of the phase composition, microstructure, and magnetic properties analysis of the obtained samples.
The work was financially supported by the Ministry of Science and Higher Education of the Russian Federation FEUZ-2024-0060.