期刊
CORROSION SCIENCE
卷 165, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2019.108416
关键词
Weathering steel; Nickel; Corrosion product film; Maldives; Atmospheric corrosion
资金
- National Key Research and Development Program of China [2016YFB0300604]
- National Natural Science Foundation of China [51671028]
Corrosion product film (CPF) formation and its beneficial effect on corrosion protection of a Ni advanced weathering steel (WS), 3Ni WS, was investigated under the harsh marine environment in Maldives. The influence of Ni on the structure and the corrosion resistance mechanism of CPF was in detail studied. The CPF of 3Ni WS exhibits superiority in physical structure, phase composition, elemental distribution, and electrochemical properties over that of the conventional WS studied. These advantages are attributed to the formation and aggregation of NiFe2O4 in the inner layer of the CPF, which refines the crystal phases, transforms gamma-FeOOH to fine-grained alpha-FeOOH, and forms an electronegative inner layer to resist Cl.
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