Effects of RMG conditions on the hydrogen sorption properties of Mg + Cr2O3 mixtures

Hydrogen sorption properties of Mg + 5 wt.%Cr2O3 mixtures are examined. Increasing the milling injected power enhances the hydriding rates. The higher sorption rates (1.32x10-2 wt.%/s at 300DGC for desorption) are obtained for planetary ball mill, high rotation speed and high number of ball. A relat...

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Bibliographic Details
Published inScripta materialia Vol. 52; no. 1; pp. 33 - 37
Main Authors BOBET, J.-L, CASTRO, F. J, CHEVALIER, B
Format Journal Article
LanguageEnglish
Published New York, NY Elsevier Science 2005
Elsevier
Subjects
Applied sciences
Chemical Sciences
Exact sciences and technology
Material chemistry
Metals. Metallurgy
Hydrogen
Hydrogen storage
Mg
Cr2O3
Sorption properties
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Summary:Hydrogen sorption properties of Mg + 5 wt.%Cr2O3 mixtures are examined. Increasing the milling injected power enhances the hydriding rates. The higher sorption rates (1.32x10-2 wt.%/s at 300DGC for desorption) are obtained for planetary ball mill, high rotation speed and high number of ball. A relationship between crystallinity, morphology and sorption properties was observed. [RMG = reactive mechanical grinding].
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2004.09.001