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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Spyra, Marzena
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Topics
Publications (4/4 displayed)
- 2011Hard Magnetic, Low Neodymium Nd‐Fe‐B Melt‐Spun Alloys Containing Refractory Metalscitations
- 2010Lean neodymium Nd–Fe–B magnets containing minor addition of titaniumcitations
- 2008Improvement of the magnetic properties of low-neodymium magnets by minor addition of titaniumcitations
- 2008Structure and Magnetic Properties of Low Neodymium Magnets Containing Minor Addition of Molybdenum
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article
Structure and Magnetic Properties of Low Neodymium Magnets Containing Minor Addition of Molybdenum
Abstract
Rapidly solidified nanocomposite Nd9Fe77-xB14Mox alloys, consisting of magnetic Nd2Fe14B phase and soft magnetic phases, were investigated. The effect of the molybdenum addition on the structure and magnetic properties was studied. It was found that 3-4 at\% Mo addition leads to a substantial increase of the coercivity and maximum energy product maintaining the remanence to be almost unchanged. The highest properties Jr = 0.755 T,J Hc = 1030 kA/m,(BH)max= 87 kJ/m3 were obtained for the Nd9Fe73B14Mo4 alloy. This effect we ascribe to the formation of a fine and homogeneous grain structure and a change of the phase constitution in the Mo-containing alloys. The initial magnetization curve indicates a change of the coercivity mechanisms, giving rise to the pinning of domain walls, which is caused by a reduction of the crystallite size.