HYDROGENATION OF OXYGEN-STABILIZED Ti2MOx (M EQUVLNT Fe, Co, Ni; 0 less than equivalent to x less than 0. 5) COMPOUNDS.

M. H. Mintz, Z. Hadari, M. P. Dariel

Research output: Contribution to journalConference articlepeer-review

40 Scopus citations

Abstract

The hydrogenation characteristics of Ti//2MO//x (M EQUVLNT Fe, Co, Ni; 0 less than equivalent to x less than 0. 5) compounds were investigated using a combined thermogravimetric analysis and differential thermal analysis technique, pressure-volume-temperature measurements and X-ray diffraction analysis. Pure Ti//2M (M EQUVLNT Co, Ni) intermetallics react with hydrogen in an irreproducible manner, reaching various H/Ti//2M composition ratios. Surface decomposition reactions catalyzed by surface impurities may account for this irregular behavior. Heating hydrogenated Ti//2M samples in a hydrogen atmosphere results in initial decomposition followed by disproportionation reactions which convert part of the Ti//2MH//x into TiH//2 and TiM. The oxygen-containing Ti//2MO//x compounds, however, do not display such disproportionation reactions.

Original languageEnglish
Pages (from-to)287-294
Number of pages8
JournalJournal of the Less-Common Metals
Volume74
Issue number2
DOIs
StatePublished - 1 Jan 1980
EventProc of the Int Symp on the Prop and Appl of Met Hydrides - Colorado Springs, CO, USA
Duration: 7 Apr 198011 Apr 1980

ASJC Scopus subject areas

  • Engineering (all)

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