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Self-Repairing of Damaged Rust Layers on Carbon Steel and Weathering Steel

  • Xu Zhang
  • Shanwu Yang
  • Jianye Huang
  • Yu He
  • Xinlai He

Abstract

Rust layer damage of the weathering steel is almost inevitable during its service and new rusts will form to fill the damage. This study focused on the rust self-repairing behavior of the weathering steel in the corrosion process, which was compared with that of the carbon steel. The results indicated that: the alloy elements in the weathering steel improve the compactness of the new rust layer, so that the steel surface is quickly covered with new rust layer. Since there is no alloy element in the carbon steel, the rust layer is loose though it is thicker than that on the weathering steel. As the self-repairing rust layers grow thicker, the stress between the new and the original rust layers occurs. In order to release the stress, cracks produced in junction between the newly formed rust layer and the original rust layer.

Keywords

Weathering Steel Self-repairing Carbon Steel Rust Layer 

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References

  1. 1.
    Shuichi Hara et al., “Taxonomy for protective ability of rust layer using its composition formed on weathering steel bridge, ” Corrosion Science, 49 (3) (2007), 1131–1142.CrossRefGoogle Scholar
  2. 2.
    K. Asami and M. Kikuchi, “In-depth distribution of rusts on a plain carbon steel and weathering steels exposed to coastal–industrial atmosphere for 17 years, ” Corrosion Science, 45 (11) (2003), 2671–2688.CrossRefGoogle Scholar
  3. 3.
    D. de la Fuente et al., “Long-term atmospheric corrosion of mild steel, ” Corrosion Science, 53 (2) (2011), 604–617.CrossRefGoogle Scholar
  4. 4.
    CHENX H et al., “Effect of Al alloying on corrosion performance of steel, ” Corrosion Engineering, Science and Technology, 42 (3) (2007), 224–231.CrossRefGoogle Scholar
  5. 5.
    WANG J H et al., “The corrosion mechanisms of carbon steel and weathering steel in SO2 polluted atmospheres, ” Materials Chemistry and Physics, 47 (1) (1997), 1–8.CrossRefGoogle Scholar
  6. 6.
    M. Yamashita et al., “The long term growth of the protective rust layer formed on weathering steel by atmospheric corrosion during a quarter of a century” Corrosion Science, 36 (2) (1994), 283–299.CrossRefGoogle Scholar

Copyright information

© TMS (The Minerals, Metals & Materials Society) 2013

Authors and Affiliations

  • Xu Zhang
    • 1
  • Shanwu Yang
    • 1
  • Jianye Huang
    • 1
  • Yu He
    • 1
  • Xinlai He
    • 1
  1. 1.School of Materials Science and EingineeringUniversity of Science and Technology BeijingBeijingChina

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