Numerical Modeling of Weld Joint Corrosion

被引：14
|
作者：
Lu, Yongxin [1 ,2 ]
Jing, Hongyang [1 ,2 ]
Han, Yongdian [1 ,2 ]
Xu, Lianyong [1 ,2 ]
机构：
[1] Tianjin Univ, Sch Mat Sci & Engn, 92 Weijin Rd, Tianjin 300072, Peoples R China
[2] Tianjin Key Lab Adv Joining Technol, Tianjin 300072, Peoples R China
来源：
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2016年 / 25卷 / 03期
关键词：
corrosion; modeling and simulation; steel; welding; GALVANIC CORROSION; PIPELINE STEEL; MILD-STEEL;
D O I：
10.1007/s11665-016-1910-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A numerical model is presented in this work that predicts the corrosion rate of weld joint. The model is able to track moving boundary of the corroding constituent of weld joint. The corrosion rates obtained from the model are compared with those estimated from mixed potential theory and two experimental techniques, namely immersion test and constant potential polarization test. The corrosion rate predicted using the model is within 10% of the estimate from the mixed potential theory, within 20% of that got from the immersion experiment and within 10% of that got from the constant potential polarization experiment for weld joint.
引用
收藏
页码：960 / 965
页数：6
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