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Thermodynamic properties of the ZrCr2T0.8 - H2 systems (T=Fe, Co, Ni) (CROSBI ID 124286)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Drašner, Antun ; Blažina, Želimir Thermodynamic properties of the ZrCr2T0.8 - H2 systems (T=Fe, Co, Ni) // Journal of the less-common metals, 168 (1991), 289-294

Podaci o odgovornosti

Drašner, Antun ; Blažina, Želimir

engleski

Thermodynamic properties of the ZrCr2T0.8 - H2 systems (T=Fe, Co, Ni)

The thermodynamic properties of the ZrCr2T0.8-H2 systems (T=Fe, Co, Ni) were studied by measuring the hydrogen equilibrium dissociation isotherms over the temperature range 296-403 K. It was observed that all the host alloys react readily and reversibly and absorb large quantities of hydrogen. Two of these systems exhibit a dissociation plateau at 101.3 kPa. This is observed at 381 K for the ZrCr2Fe0.8-H2 system and at 355 K for the cobalt analogue. It was also found that the equilibrium pressure considerably increases for all these systems in comparison with the equilibrium pressure of the prototype ZrCr2-H2 system. The heat of formation, entropy and Gibbs free energy of formation were determined for different hydrogen contents in all the systems investigated.

intermetallic compounds ; metal hydrides

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Podaci o izdanju

168

1991.

289-294

objavljeno

0022-5088

Povezanost rada

Kemija

Indeksiranost