| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1875680 | Applied Radiation and Isotopes | 2016 | 10 Pages |
Abstract
We determined the oxidation mechanism of porous ST-198, which mainly comprises Zr2Fe. Oxidation kinetics depended on temperature, oxygen partial pressure, and oxidation extent. The passivation role of oxidation in hydrogen scavenging is probably due to the development of a surface oxide, independent of oxygen concentration. Zr2Fe would be a superior hydrogen getter in oxygen-contaminated environments at high temperatures, as most oxygen will be consumed at the outer shell by mass transfer limitations, protecting the bulk of the getter for hydrogen scavenging.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Radiation
Authors
Dror Cohen, Moshe Nahmani, Genadi Rafailov, Smadar Attia, Zorik Shamish, Miron Landau, Jose Merchuk, Yehuda Zeiri,