期刊
CORROSION SCIENCE
卷 53, 期 1, 页码 432-440出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2010.09.054
关键词
Mild steel; Erosion; Pitting corrosion; Anodic dissolution; Passive film
资金
- Natural Sciences and Engineering Research Council of Canada
Erosion-enhanced corrosion of carbon steel in passive state during slurry impingement is dominated by the competition between fresh surface generation and repassivation The presence of chloride retards repassivation The average corrosion rate is quantitatively predictable when the hydrodynamics of slurry and repassivation kinetics of target material are known The electrochemical impedance spectroscopy suggests that the corrosion in flowing slurry is under mixed control of interface charge transfer and mass transport The later becomes the dominative role gradually with increasing generation rate of fresh surface Slurry impingement may facilitate pit formation and promote repassivation of existing pits simultaneously Crown Copyright (C) 2010 Published by Elsevier Ltd All rights reserved
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