The effects of the addition of aluminium on the kinetic properties of the intermetallic compound TiFe

S. H. Lim, Lee Jai-Young

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

The kinetic properties of TiFe0.94Al0.06 were investigated and compared with those of TiFe. The dependence of the hydrogen absorption rate on the driving force and the reacted fraction F showed that the chemisorption of hydrogen molecules on the sample surface is rate controlling up to F ≈ 0.15 with an apparent activation energy of about 1.7 kcal (mol H2)-1. At a later stage of the reaction the rate-controlling step changes from chemisorption to hydrogen diffusion through the hydride phase.

Original languageEnglish
Pages (from-to)59-64
Number of pages6
JournalJournal of the Less-Common Metals
Volume97
Issue numberC
DOIs
Publication statusPublished - 1984 Feb
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)

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