High performance FeTi – 3.1 mass % V alloy for on board hydrogen storage solution

Sanjay Kumar, G.P. Tiwari, Sagar Sonak, Uttam Jain and Nagaiyar Krishnamurthy

Energy, 2014, vol. 75, issue C, 520-524

Abstract: Single phase FeTi intermetallic and FeTi-3.1 mass % V alloy were synthesized by vacuum arc melting using high purity elemental constituents. The crystal structure of both, FeTi intermetallic and FeTi-3.1 mass % V alloy was found to be of CsCl-type. Under similar annealing conditions, crystallite size of FeTi-3.1 mass % V alloy was markedly smaller than that of FeTi intermetallic. Hydrogen absorption in FeTi intermetallic and FeTi-3.1 mass % V alloy was studied in a thermobalance attached to a Sieverts apparatus at a temperature of 327 K under 0.2 MPa hydrogen pressure. The hydrogen absorption in vanadium alloyed FeTi matrix was significantly faster than in the pure intermetallic. The maximum amount of hydrogen absorbed in the FeTi intermetallic and FeTi-3.1 mass % V alloy was of 1.2 and 1.1 mass % respectively.

Keywords: FeTi; Vanadium alloying; Grain refinement; Hydriding kinetics (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:75:y:2014:i:c:p:520-524

DOI: 10.1016/j.energy.2014.08.011

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