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Transformations and Hydrogen Storage in Ball-Milled Iron-Titanium

Published online by Cambridge University Press:  25 February 2011

P. Tessier ,
L. Zaluski ,
Z.-H. Yan ,
M.L. Trudeau ,
R. Bormann ,
R. Schulz  and
J.O. Ström-Olsen
P. Tessier
Affiliation:
Centre for the Physics of Materials, McGill University, Montréal, Québec, H3A 2T8, Canada
L. Zaluski
Affiliation:
Centre for the Physics of Materials, McGill University, Montréal, Québec, H3A 2T8, Canada
Z.-H. Yan
Affiliation:
Institut de recherche d'Hydro-Québec, Varennes, Québec, J3X 1S1, Canada
M.L. Trudeau
Affiliation:
Institut de recherche d'Hydro-Québec, Varennes, Québec, J3X 1S1, Canada
R. Bormann
Affiliation:
Institute for Materials Research, GKSS Research Center Geesthacht, D-2054 Geesthacht, Germany
R. Schulz
Affiliation:
Institut de recherche d'Hydro-Québec, Varennes, Québec, J3X 1S1, Canada
J.O. Ström-Olsen
Affiliation:
Centre for the Physics of Materials, McGill University, Montréal, Québec, H3A 2T8, Canada
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Abstract

Nanocrystalline and amorphous Fe-Ti at or close to the equiatomic composition have been prepared by ball milling, starting either from the elemental components or from the pre-melted intermetallic. The final structure, whose evolution has been monitored by Xray diffraction and transmission electron microscopy, is found to be critically dependent on milling conditions and contamination level.

Hydrogen absorption properties of both the amorphous and nanocrystalline alloys have been investigated. These properties are substantially modified by the reduction in grain size. We will also discuss the influence of the activation process and repeated hydrogen charging on substitutional disorder and grain size.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 286: Symposium J – Nanophase and Nanocomposite Materials , 1992 , 209
Copyright
Copyright © Materials Research Society 1993

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References

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