Comparison of AC Corrosion of X80 Steel in Real Soil, Soil Extract Solution, and Simulated Solution

被引：1
|
作者：
Boxin Wei
Jin Xu
Qingyu Qin
Qi Fu
Yunlong Bai
Changkun Yu
Cheng Sun
Wei Ke
机构：
[1] Chinese Academy of Sciences,Liaoning Shenyang Soil and Atmosphere Material Corrosion National Observation and Research Station, Institute of Metal Research
[2] University of Science and Technology of China,School of Materials Science and Engineering
来源：
Journal of Materials Engineering and Performance | 2020年 / 29卷
关键词：
AC corrosion rate; Alternating current; Grey model; X80 pipeline steel;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Corrosion of X80 steel induced by alternating current (AC) in acidic red soil (ARS), acidic red soil-extracted solution (SES), and acidic red soil-simulated solution (SSS) has been investigated. Corrosion of the steel coupons is dramatically aggravated by AC. The kinetic relationship between the corrosion rate (CR) and the AC density (JAC) in the three testing media all follows a model function, CR= αJACn + β. Grey relational analysis shows that the correlation coefficient between corrosion rates with JAC in SES and ARS is 0.614; however, the coefficient between those in SSS and ARS is only 0.484, which indicates that SES is more suitable for the evaluation of soil corrosion than SSS.
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页码：4967 / 4977
页数：10
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