期刊
CORROSION SCIENCE
卷 173, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2020.108748
关键词
Tellurium corrosion; Molten salt reactor; Hydroxyl radicals
资金
- National key research and development program of China [2016YFB0700401, 2016YFB0700404]
- Natural Science Foundation of Shanghai [19ZR1468200, 18ZR1448000]
- National Natural Science Foundation of China [51671154, 51601213, 51671122, 51971238]
- Youth Innovation Promotion Association, Chinese Academy of Science [2019264]
The unexpected effect of hydroxyl radical on tellurium corrosion of the Ni-Mo-Cr-Nb based alloy was first observed in this study. In the corrosion experiments with the quartz tubes as vessels, hydroxyl radicals are released from the quartz at the high temperature (700 degrees C) and then react with Cr atoms to form Cr2O3 layers at the surface of the alloy, which significantly suppress the simultaneous corrosion process by tellurium vapor. This work reveals the origin of the well-known uncertainty and helps to develop the more reliable experiments in future.
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