Nanocrystalline Metal Hydrides Obtained by Severe Plastic Deformations
AbstractIt has recently been shown that Severe Plastic Deformation (SPD) techniques could be used to obtain nanostructured metal hydrides with enhanced hydrogen sorption properties. In this paper we review the different SPD techniques used on metal hydrides and present some specific cases of the effect of cold rolling on the hydrogen storage properties and crystal structure of various types of metal hydrides such as magnesium-based alloys and body centered cubic (BCC) alloys. Results show that generally cold rolling is as effective as ball milling to enhance hydrogen sorption kinetics. However, for some alloys such as TiV0.9Mn1.1 alloy ball milling and cold rolling have detrimental effect on hydrogen capacity. The exact mechanism responsible for the change in hydrogenation properties may not be the same for ball milling and cold rolling. Nevertheless, particle size reduction and texture seems to play a leading role in the hydrogen sorption enhancement of cold rolled metal hydrides. View Full-Text
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Huot, J. Nanocrystalline Metal Hydrides Obtained by Severe Plastic Deformations. Metals 2012, 2, 22-40.
Huot J. Nanocrystalline Metal Hydrides Obtained by Severe Plastic Deformations. Metals. 2012; 2(1):22-40.Chicago/Turabian Style
Huot, Jacques. 2012. "Nanocrystalline Metal Hydrides Obtained by Severe Plastic Deformations." Metals 2, no. 1: 22-40.