期刊
CORROSION SCIENCE
卷 82, 期 -, 页码 437-441出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2014.01.034
关键词
Steel reinforced concrete; EIS; Polarization; Passivity; Pitting corrosion
资金
- Natural Science Foundation of China [51308111, 51278098]
- Natural Science Foundation of Jiangsu province of China [BK2011249]
- China Postdoctoral Science Foundation [2013M531249]
- Postdoctoral Science Foundation of Jiangsu province of China [1202008C]
- Applied Research Foundation of Nantong city [BK2013001]
Continuous surface nanocrystallization (SNC) of rebar was achieved through wire-brushing process. A uniform NC layer with thickness of 25 mu m and average grain size of 50 nm was formed on the rebar surface. Due to the enhanced passivation performance of the NC layer, corrosion resistance of the SNC rebar was significantly improved in Cl--containing saturated Ca(OH)(2) solution. High-energetic crystal defects of the nano-grains leads to the faster passivation and enhanced stability of the passive film of the SNC rebar. (C) 2014 Elsevier Ltd. All rights reserved.
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