Paper Title:
Effect of the Ball Milling Conditions, under Air, on the Preliminary Hydriding Properties of the Mixtures Mg-x Wt% Graphite. Role of Solvent
  Abstract

The effect of wet milling on the hydriding properties of magnesium based mixture has been investigated. To prepare these mixtures, magnesium was ball milled with different weight percent of graphite (5, 10 and 25), at 300 rpm under air, for various duration using a ball miller apparatus Retsch S100 (R=12). Different solvents have been used such as benzene, heptane, styrene, DMSO. The hydriding properties were studied using a manual Sievert-type apparatus, at different temperatures (25°C, 100°C, 150°C and 200°C). The mixture Mg + 5wt% graphite milled during 6 hours in presence of 5mL heptane has shown the best hydriding properties at 150°C. The improvement of these properties has been related to the dielectric constant of the solvent and to the small size of the particles. The different mixtures have been analysed by means of scanning electron microscopy and laser granulometry.

  Info
Periodical
Chapter
Chapter I: Materials and Elaboration Techniques
Edited by
Maher Soueidan, Mohamad Roumié and Pierre Masri
Pages
119-124
DOI
10.4028/www.scientific.net/AMR.324.119
Citation
M. Nakhl, M. Zakhour, C. Amine, H. El-Rassy, S. F. Matar, "Effect of the Ball Milling Conditions, under Air, on the Preliminary Hydriding Properties of the Mixtures Mg-x Wt% Graphite. Role of Solvent", Advanced Materials Research, Vol. 324, pp. 119-124, 2011
Online since
August 2011
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