期刊
CORROSION SCIENCE
卷 53, 期 10, 页码 3273-3280出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2011.06.002
关键词
Oxidation; High temperature corrosion
资金
- Bechtel Marine Propulsion Corporation
Supercritical carbon dioxide (S-CO(2)) is a potential coolant for advanced nuclear reactors. The corrosion behavior of austenitic steels (alloys 800H and AL-6XN) and ferritic-martensitic (FM) steels (F91 and HCM12A) exposed to S-CO(2) at 650 degrees C and 20.7 MPa is presented in this work. Oxidation was identified as the primary corrosion phenomenon. Alloy 800H had oxidation resistance superior to AL-6XN. The FM steels were less corrosion resistant than the austenitic steels, which developed thick oxide scales that tended to exfoliate. Detailed microstructure characterization suggests the effect of alloying elements such as Al, Mo. Cr, and Ni on the oxidation of the steels. (C) 2011 Elsevier Ltd. All rights reserved.
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