期刊
CORROSION SCIENCE
卷 72, 期 -, 页码 26-34出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2013.02.006
关键词
Steel reinforced concrete; Polarization; Atmospheric corrosion
资金
- Femern Baelt A/S
- Sund and Baelt Holding A/S
- Danish Agency for Science, Technology and Innovation
- COIN (COncrete INnovation centre, www.coinweb.no)
In this study, reinforced concrete specimens with and without mixed-in chlorides were conditioned at different relative humidities and subsequently subjected to varying temperatures. Results of the study confirmed that neither temperature nor moisture content have a major impact on the corrosion state and rate of passively corroding reinforcement. For actively corroding reinforcement, a temperature and moisture dependent corrosion rate was observed. The temperature dependency could be described by the Arrhenius equation with moisture dependent activation energies of approximately 10 kJ/mol at 75 RH and 35-40 kJ/mol above 85% RH. (C) 2013 Elsevier Ltd. All rights reserved.
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