Artículo
Amorphization and evolution of magnetic properties during mechanical alloying of Co62Nb6Zr2B30: dependence on starting boron microstructure
Autor/es | Moreno Ramírez, Luis Miguel
Blázquez Gámez, Javier Sebastián Ipus Bados, Jhon Jairo Conde Amiano, Alejandro |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2014 |
Fecha de depósito | 2016-12-07 |
Publicado en |
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Resumen | Co62Nb6Zr2B30 composition was mechanically alloyed using three different types of boron
powders in the starting mixture: crystalline β-B, commercial amorphous B and optimized
amorphous B via ball milling. Using optimized ... Co62Nb6Zr2B30 composition was mechanically alloyed using three different types of boron powders in the starting mixture: crystalline β-B, commercial amorphous B and optimized amorphous B via ball milling. Using optimized amorphous B, amorphization process of the alloy is more efficient but milling to optimize amorphous B introduces some iron contamination. Boron inclusions (100-150 nm in size) remain even after long milling times. However, using amorphous boron reduces the fraction of boron distributed as inclusions to ~40% of the total B. Thermal stability at the end of the milling process is affected by the initial boron microstructure. Coercivity is reduced a half using amorphous B instead of crystalline B in the starting mixture |
Cita | Moreno, L., Blázquez Gámez, J.S., Ipus Bados, J.J. y Conde Amiano, A. (2014). Amorphization and evolution of magnetic properties during mechanical alloying of Co62Nb6Zr2B30: dependence on starting boron microstructure. Journal of Alloys and Compounds, 585, 485-490. |
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