Hydrides of ternary TiFex M1−x(M=Cr, Mn, Co, Ni) intermetallics
- 1 January 1981
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 52 (1), 463-467
- https://doi.org/10.1063/1.329808
Abstract
The influence of partial substitutions of iron in TiFe by some other 3‐d transition metals on the hydrogenation characteristics of the corresponding ternary (pseudo‐binary) TiFe x M 1−x (M=Cr, Mn, Co, Ni; 0.5≲x≲1) compounds was systematically investigated. Such substitutions result in two main effects:(i) stabilization of the monohydride β phases and (ii) reduction of hysteresis in the absorption‐desorption isotherms. A linear dependence of the enthalpies of the monohydride formation on the iron concentration (i.e.x) has been obtained and accounted for by a model assuming local interactions of hydrogen with nearest‐neighbor metal atoms.Keywords
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