Influence of Cation on Corrosion Behavior of Reinforcing Steel in High-pH Sulfate Solutions

2005 ◽  
Vol 102 (4) ◽  
2015 ◽  
Vol 2015 ◽  
pp. 1-15 ◽  
Author(s):  
Zhonglu Cao ◽  
Makoto Hibino ◽  
Hiroki Goda

The effect of nitrite ions on the macrocell corrosion behavior of reinforcing steel embedded in cement mortar was investigated by comparing and analyzing the macrocell corrosion current, macrocell polarization ratios, and slopes of anodic and cathodic steels. Based on the experimental results, the relationship between macrocell potential difference and macrocell current density was analyzed, and the mechanism of macrocell corrosion affected by nitrite ions was proposed. The results indicated that nitrite ions had significant impact on the macrocell polarization ratios of cathode and anode. The presence of nitrite could reduce the macrocell current by decreasing the macrocell potential difference and increasing the macrocell polarization resistance of the anode.


2019 ◽  
Vol 33 (35) ◽  
pp. 77-83
Author(s):  
Yan-Feng Zhu ◽  
Rong Gui Du ◽  
Hui Xu ◽  
Yan Li ◽  
Fang-Miao Tang ◽  
...  

2021 ◽  
Vol 70 (4) ◽  
pp. 122-125
Author(s):  
Yuya Takara ◽  
Takahiro Ozawa ◽  
Takuma Kikuchi ◽  
Misaki Matsui

2014 ◽  
Vol 66 (5) ◽  
pp. 486-493 ◽  
Author(s):  
M. Zhu ◽  
C.-W. Du ◽  
X.-G. Li ◽  
Z.-Y. Liu ◽  
X.-G. Wu

2019 ◽  
Vol 34 (4) ◽  
pp. 906-913
Author(s):  
Xingguo Feng ◽  
Leyuan Zhang ◽  
Jing Zhang ◽  
Xiangyu Lu ◽  
Yiwen Xu ◽  
...  

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