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- Title
Temperature effect on the passivation of a novel Fe-based metallic glass in simulated wet storage environment of spent nuclear fuels.
- Authors
Huang, Ping; Zhang, Suode; Ren, Yinglei; Wang, Debin; Qiu, Keqiang; Wang, Jianqiang
- Abstract
The corrosion behavior of a novel Fe57Cr10Mo5Nb2Zr8B18 metallic glass (MG) and BSS in simulated wet storage environment of spent nuclear fuels at different temperatures was studied comparatively by electrochemical techniques. The experimental results indicated that the pitting potentials of MG were significantly higher than that of BSS, and the passive current densities were lower than that of BSS and high-chromium SAM2X5 amorphous steel due to the synergistic effect of Cr and Mo elements. With the temperature elevating from 30 °C to 70 °C, the passive current densities of metallic glass were increased by about one order of magnitude. The passive current temperature sensitivity for this metallic glass was closely related to the decreased Cr2O3 content, increased donor density and reduced work function of the passive film. This work provides a new insight for developing novel alloys with high corrosion resistance as well as excellent neutron absorption capacity for applications in spent nuclear fuel storage.
- Subjects
METALLIC glasses; NUCLEAR fuels; SPENT reactor fuels; NEUTRON capture; CORROSION in alloys
- Publication
Journal of Materials Science, 2024, Vol 59, Issue 34, p16274
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-024-10144-2