Examination of the kinetics of Zr1.02Ni0.98 alloy hydriding | Zendy

Mladen Simonović | Zendy; Slavko Mentus | Zendy; M.V. Šušić | Zendy

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Examination of the kinetics of Zr1.02Ni0.98 alloy hydriding

Author(s) -

Mladen Simonović,

Slavko Mentus,

M.V. Šušić

Publication year - 1999

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc9912745s

Subject(s) - alloy , kinetics , activation energy , materials science , reaction rate constant , hydrogen storage , metallurgy , hydrogen , thermodynamics , chemistry , physics , organic chemistry , quantum mechanics

The hydriding kinetics of Zr1.02Ni0.98 alloy was examined in dependence on the number of hydriding/dehydriding cycles. The rate constants relating to three subsequent hydriding procedures of an alloy sample, at five temperatures: 423, 448, 473, 498 and 523K,were determined.The rate constant increases, and the activation energydecreases on each repetition of the hydriding/dehydriding cycle at a given temperature. This behavior was explained by sample crushing, leading to an increase in the surface area accessible to hydrogen.

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