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| Naji, M. |
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| Ertürk, Emre |
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| Azevedo, Nuno Monteiro |
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Blazquez, J. S.
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Publications (5/5 displayed)
- 2020Effect of pressure on the phase stability and magnetostructural transitions in nickel-rich NiFeGa ribbonscitations
- 2009Supersaturated solid solution obtained by mechanical alloying of 75% Fe, 20% Ge and 5% Nb mixture at different milling intensitiescitations
- 2009Correlation between microstructure and temperature dependence of magnetic properties in Fe60 Co18 (Nb,Zr) 6 B15 Cu1 alloy seriescitations
- 2008An equivalent time approach for scaling the mechanical alloying processescitations
- 2005Crystallization kinetics of Al-Mm-Ni-(Co,Fe) alloyscitations
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article
An equivalent time approach for scaling the mechanical alloying processes
Abstract
<p>Dynamics of a single ball into a planetary ball mill is analyzed leading to a cubic dependence of the power transferred during milling with the rotational speed, Ω. This leads to the definition of an equivalent time to describe the state of ball milled powders independently of Ω. Mechanical alloying of Fe<sub>75</sub>Ge<sub>20</sub>Nb<sub>5</sub>composition is studied by a combination of experimental techniques (differential scanning calorimetry, scanning electron microscopy, energy dispersive X-ray spectrometry, X-ray diffraction, Mössbauer spectrometry and vibrating sample magnetometry) and results evidence a good agreement with the predictions of the equivalent time approach. © 2007 Elsevier Ltd. All rights reserved.</p>