Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 615, Issue -, Pages S569-S572Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.12.144
Keywords
Mechanical alloying; TiFe intermetallic compound; X-ray diffraction; Hydrogen storage
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Funding
- RFBR [14-03-31621, 13-03-12424]
- NUST MISIS
- Ministry of Science and Education of Russian Federation [3.3447.2011]
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A series of nanostructured alloys based on TiFe intermetallic compound were synthesized from the metallic elements in a planetary ball mill by solid state mechanical alloying. Mg and S were added as doping components to a Fe-50% (at.) Ti powder mixture. Phase and structure transformations during mechanical alloying and subsequent annealing as well as hydrogen interaction with the alloys prepared were studied. It was shown that reversible hydrogen sorption capacities of the nanostructured alloys based on TiFe intermetallic compound were of 0.6 and 0.7 wt.% at room temperature for the alloys with S and Mg, respectively. The alloys studied demonstrated a simplified activation of hydrogenation, especially for the S-containing one. (C) 2013 Elsevier B.V. All rights reserved.
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