期刊
CORROSION SCIENCE
卷 52, 期 4, 页码 1520-1528出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2009.12.032
关键词
Oxidation; Kinetics; Exfoliation; Porosity
资金
- Idaho National Laboratory
As important structural materials for advanced power plants, the corrosion of 9-12% Cr ferritic-martensitic steels exposed to both high-temperature water and supercritical water (SCW) was studied using a variety of characterization techniques. Exposure temperature and time showed significant effects on the surface morphologies, oxide scale thickness, and oxide constituents. The steels approximately followed near-parabolic oxidation kinetics in the SCW conditions. The inner spinel layer was found to be porous with a size of tens of nanometers independent upon the exposure temperature and time. High temperature accelerated the formation of a large amount of pores in the outer magnetite layer. (C) 2010 Elsevier Ltd. All rights reserved.
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