Preparation and magnetic properties of Bi-doped NdFeB-based melt-spun nanocrystalline ribbons

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Research shows Bi doping improves magnetic properties in NdFeB-based melt-spun ribbons, indicating potential for high-performance magnets.

Bi doping enhances the magnetic performance of NdFeB-based melt-spun ribbons significantly.
The maximum energy product achieved is around 20 MGOe, showcasing the material's strong magnetization.
Melt-spun ribbons were produced with slightly modified Co and enhanced grain size due to Bi doping.
This work highlights new manufacturing opportunities for high-performance bonded magnets.

Trường et al. (2025) studied this question.

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Research shows Bi doping improves magnetic properties in NdFeB-based melt-spun ribbons, indicating potential for high-performance magnets.