Prediction of a new efficient permanent magnet SmCoNiFe3
P. S\"oderlind, A. Landa, I. L. M. Locht, D. {\AA}berg, Y. Kvashnin,, M. Pereiro, M. D\"ane, P. E. A. Turchi, V. P. Antropov, and O. Eriksson
TL;DR
This paper introduces SmCoNiFe3, a new permanent magnet that combines high-temperature efficiency of SmCo5 with improved energy properties, offering a promising alternative to Nd-Fe-B magnets.
Contribution
The paper presents a novel permanent magnet, SmCoNiFe3, that improves upon SmCo5's efficiency and addresses limitations of Nd-Fe-B magnets.
Findings
SmCoNiFe3 has superior high-temperature performance.
It retains the advantages of SmCo5 while enhancing energy properties.
The magnet offers a promising alternative to Nd-Fe-B magnets.
Abstract
We propose a new efficient permanent magnet, SmCoNiFe3, that is a breakthrough development of the well-known SmCo5 prototype. More modern neodymium magnets of the Nd-Fe-B type have an advantage over SmCo5 because of their greater maximum energy products due to their iron-rich stoichiometry. Our new magnet, however, removes most of this disadvantage of SmCo5 while preserving its superior high-temperature efficiency over the neodymium magnets.
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