Artículo
Ball milling nanocrystallization of arc-melted and melt-spun Fe78Co5Nb3Zr3B5Ge5Cu1 alloy: microstructure and magnetic properties
Autor/es | Blázquez Gámez, Javier Sebastián
Franco García, Victorino Conde Amiano, Alejandro Roth, Stefan |
Departamento | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Fecha de publicación | 2006 |
Fecha de depósito | 2016-12-07 |
Publicado en |
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Resumen | The viability of developing a nanocrystalline microstructure for the Fe78Co5Nb3 Zr3B5Ge5Cu1 composition using a planetary ball mill was studied. Two starting samples were chosen: an arc-melted ingot and a partially ... The viability of developing a nanocrystalline microstructure for the Fe78Co5Nb3 Zr3B5Ge5Cu1 composition using a planetary ball mill was studied. Two starting samples were chosen: an arc-melted ingot and a partially crystallized melt-spun ribbon. The α-Fe phase was detected in both initial samples, although different intermetallic phases were detected in each of them. Milling at 150 rpm, these intermetallics disappeared after 5 h for the melt-spun alloy (RQ) and did not disappear even after 70 h for the arc-melted sample (AM). However, the α-Fe phase became nanosized in both cases. A good thermal stability was found for the RQ alloy after 10 h of milling, although the nanocrystal size increased from ∼8 to ∼20 nm after heating to 973 K. The AM samples exhibited a lower coercivity and a higher magnetization than RQ samples |
Cita | Blázquez Gámez, J.S., Franco García, V., Conde Amiano, A. y Roth, S. (2006). Ball milling nanocrystallization of arc-melted and melt-spun Fe78Co5Nb3Zr3B5Ge5Cu1 alloy: microstructure and magnetic properties. Philosophical Magazine, 86 (15), 2271-2282. |
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