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| Corrosion Behavior of Typical Metal Materials in Xisha Marine Immersion Zone |
| Received:November 06, 2018 Revised:April 25, 2019 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/ issn.1672-9242.2019.04.012 |
| KeyWord:metal Xisha areas immersion zone corrosion |
| Author | Institution |
| DING Kang-kang |
State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Qingdao , China |
| PANG Kun |
State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Qingdao , China |
| GU Liang-hua |
State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Qingdao , China |
| ZHANG Peng-hui |
State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Qingdao , China |
| HOU Jian |
State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Qingdao , China |
| SUN Ming-xian |
State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Qingdao , China |
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| Abstract: |
| Objective To investigate corrosion behaviors and rules of typical metal materials in Xisha marine immersion zone. Methods Field exposure test was carried out on marine steels of EH36 and CM690, 316L stainless steel as well as 5083 aluminium alloy materials at Xisha for 0.5 a, 1 a and 2 a. After samples were retrieved, the corrosion morphology characteristics and kinetics rules were analyzed. Results The corrosion rate of CM690 was higher than that of EH36, while the rule was opposite for the pitting depth; serious crevice corrosion occurred on 316L stainless steel, and it was mainly local corrosion for 5083 aluminum alloy. Conclusion Under the test conditions, the corrosion weight loss and pitting corrosion of EH36 and CM690 steel are the most serious; the biofouling of 316L stainless steel and 5083 aluminum alloy is severe, accompanied by local corrosion. |
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