Study on rust layers on steel in different marine corrosion zone

Li Yan-tao; Hou Bao-rong

doi:10.1007/BF02848728

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Study on rust layers on steel in different marine corrosion zone

Updated：2023-05-16

- Study on rust layers on steel in different marine corrosion zone
- Journal of Oceanology and Limnology Vol. 16, Issue 3, Pages: 231-236(1998)
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
- DOI：10.1007/BF02848728
  CLC：
- Published：1998
- Accepted：
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Yan-tao, L., Bao-rong, H. Study on rust layers on steel in different marine corrosion zone., Chin. J. Ocean. Limnol. 16, 231–236 (1998). https://doi.org/10.1007/BF02848728
DOI：

Yan-tao, L., Bao-rong, H. Study on rust layers on steel in different marine corrosion zone., Chin. J. Ocean. Limnol. 16, 231–236 (1998). https://doi.org/10.1007/BF02848728 DOI：

摘要

Abstract

The Mossbauer spectra for corrosion products formed on A3 carbon steel and low alloy 16Mn steel exposed in the Chengdao sea area for 2 years by the electro-connected method were determined. The phase composition and content of the rust layers on the two steels in four marine corrosion zones were analyzed and studied. Although the phase composition of the two steels were different

their main phase was β-FeOOH. The different content of FeOOH and Fe3O4 in the rust layers illustrated that FeOOH in the inner rust layer participated in the cathodic process as an oxidant accelerating the corrosion rate of steel under wet/dry cycle condition. Moreover

for the alloy elements in 16Mn steel

the rust layers with simple composition and fine and close texture formed a good barrier layer lowering the corrosion rate of low alloy steel.

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references

Chen Junming, Cai Zhenyue, Wang Zhijie et al., 1982. Physical chemistry of iron rust.J. Corr. protect. 2(2): 1. (in Chinese with English abstract)

Evans, U. R., 1965. The corrosion and oxidation of metals.Nature 206:980.

Hou Baorong, Atsushi Nishikata, Tooru Tsuru, 1995. Corrosion of steel in the interface of seawater and marine atmosphere.Oceanologia et Limnologia Sinica 26(5): 514. (in Chinese with English abstract)

Li Yantao, Hou Baorong, Li jiuqing. 1996. Study on rust layers formed on carbon steel in marine environment.Studia Marina Sinica 37:51. (in Chinese with English abstract)

Ma Ruzhang, Wu Jixun, Ji Guiquan et al., 1981. A study of the phase components of rust layers formed on low-alloy steels in seawater.J. Corr. protect. 1(3): 49. (in Chinese with English abstract)

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