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Numerical Modeling of Weld Joint Corrosion

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Abstract

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.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Tianjin University, No. 92 Weijin Road, Tianjin, 300072, People’s Republic of China

    Yongxin Lu, Hongyang Jing, Yongdian Han & Lianyong Xu

  2. Tianjin Key Laboratory of Advanced Joining Technology, Tianjin, 300072, People’s Republic of China

    Yongxin Lu, Hongyang Jing, Yongdian Han & Lianyong Xu

Authors
  1. Yongxin Lu
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  2. Hongyang Jing
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  3. Yongdian Han
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  4. Lianyong Xu
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Correspondence to Lianyong Xu.

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Lu, Y., Jing, H., Han, Y. et al. Numerical Modeling of Weld Joint Corrosion. J. of Materi Eng and Perform 25, 960–965 (2016). https://doi.org/10.1007/s11665-016-1910-1

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  • DOI: https://doi.org/10.1007/s11665-016-1910-1

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