Examination of the mechanism of transfer of hydrogen through the Ni-NiO system

Examination of the mechanism of transfer of hydrogen through the Ni-NiO system

The formation of passivating coatings protecting structural materials against saturation with hydrogen is an important problem in practice. Oxides of metals represent one of the variants of these coatings. In attempting to optimize their properties, it is necessary to solve a number of problems: Wha...

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Veröffentlicht in:Materials Science 1992-01, Vol.27 (4), p.346-349
Hauptverfasser: Gapis, I. E., Kompaniets, T. N., Kurakin, V. A., Kurdyumov, A. A., Piven', V. A.
Format: Artikel
Sprache:eng
Schlagworte:
40 CHEMISTRY
COATINGS
DIFFUSION
HYDROGEN
MATERIALS SCIENCE
MICROSTRUCTURE
NICKEL OXIDES
PASSIVATION
PERMEABILITY
TEMPERATURE DEPENDENCE
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Zusammenfassung:The formation of passivating coatings protecting structural materials against saturation with hydrogen is an important problem in practice. Oxides of metals represent one of the variants of these coatings. In attempting to optimize their properties, it is necessary to solve a number of problems: What is the mechanism of transfer of hydrogen through the oxide layer, which factors affect its rate, which properties of the oxide determine passivation on the surface? We shall attempt to answer these problems, examining the Ni-NiO modeling system. 7 refs., 3 figs.
ISSN:0038-5565
1573-885X
DOI:10.1007/BF00723222