Electromagnetic Characterization of Silicon–Iron Additively Manufactured Cores for Electric Machines

Daniele Michieletto, Luigi Alberti (), Filippo Zanini and Simone Carmignato
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Daniele Michieletto: Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
Luigi Alberti: Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
Filippo Zanini: Department of Management and Engineering, University of Padova, 36100 Vicenza, Italy
Simone Carmignato: Department of Management and Engineering, University of Padova, 36100 Vicenza, Italy

Energies, 2024, vol. 17, issue 3, 1-13

Abstract: This paper deals with the electromagnetic characterization of a laminated toroidal ferromagnetic core made through additive manufacturing, specifically using the laser powder bed fusion process. The continuing demand for increasingly efficient, lightweight, and higher performance electric machines is creating huge challenges in the design and realization of new electric motor solutions. The constant improvements in additive manufacturing technologies have prompted researchers to investigate the possibility of adopting these production techniques for the manufacture of high-value electric motors. For these reasons, this paper investigates the ferromagnetic characteristics of an additively manufactured core made with FeSi6.5 powder. The BH curve and the specific iron losses of the processed material have been measured so that they can be compared with a commercial lamination, and have the possibility of carrying out more precise finite element simulations.

Keywords: additive manufacturing; laser powder bed fusion; FeSi6.5; electric drives; electric motors; synchronous motors; soft magnetic materials; magnetic characterization; printed laminated cores (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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