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

doi:10.1016/0022-5088(80)90164-2

HYDROGENATION OF OXYGEN-STABILIZED Ti₂MO_x (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 journal › Conference article › peer-review

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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 language	English
Pages (from-to)	287-294
Number of pages	8
Journal	Journal of the Less-Common Metals
Volume	74
Issue number	2
DOIs	https://doi.org/10.1016/0022-5088(80)90164-2
State	Published - 1 Jan 1980
Event	Proc of the Int Symp on the Prop and Appl of Met Hydrides - Colorado Springs, CO, USA Duration: 7 Apr 1980 → 11 Apr 1980

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General Engineering

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

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.",

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AU - Mintz, M. H.

AU - Hadari, Z.

AU - Dariel, M. P.

PY - 1980/1/1

Y1 - 1980/1/1

N2 - 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.

AB - 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.

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HYDROGENATION OF OXYGEN-STABILIZED Ti₂MO_x (M EQUVLNT Fe, Co, Ni; 0 less than equivalent to x less than 0. 5) COMPOUNDS.

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