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Type: Artigo de evento
Title: Reactive Milling Of Magnesium Under Hydrogen Using Transition Metals And Their Fluorides As Additives
Author: Leiva D.R.
Ishikawa T.T.
Miraglia S.
Fruchart D.
Botta W.J.
Abstract: In the present report, we display and compare the effects of different nanocrystalline additives (MgF2, Fe, NbH0.89 and FeF3) on the formation of MgH2 by reactive milling. The Hdesorption behavior of the as-prepared nanocomposites is also evaluated. A combined catalytic effect is observed due to the synergic action of MgF2 and Fe (or NbH0.89) on the hydrogenation rate during processing. The transition metal fluorides promote as well the MgH2 synthesis. Then using selected combination of additives (e.g. 5 mol. % FeF3) and intense milling conditions leads to a full and fast synthesis of MgH2. © (2013) Trans Tech Publications, Switzerland.
Rights: fechado
Identifier DOI: 10.4028/
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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