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| Behaviours and Protective Measures of Galvanic Corrosion on Dissimilar Materials of Typical Aircraft Structure in Harsh Environment |
| Received:May 20, 2019 Revised:June 20, 2019 |
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| DOI：10.7643/issn.1672-9242.2020.05.008 |
| KeyWord:galvanic corrosion galvanic current aluminium alloy protective measure |
| Author | Institution |
| SHI Hong-wei |
Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang , China |
| CUI Chang-jing |
Beijing Aeronautical Technology Research Center, Beijing , China |
| WEI Tao |
Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang , China |
| CHEN Qun-zhi |
Beijing Aeronautical Technology Research Center, Beijing , China |
| LIU Fu-chun |
Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang , China |
| HAN En-hou |
Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang , China |
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| Abstract: |
| This paper introduced the mechanism of galvanic corrosion. The study on three typical types of galvanic corrosion prone to happen in aircraft structure (carbon fiber reinforced epoxy composite-aluminium alloy, titanium alloy-aluminium alloy, aluminium alloy-stainless steel) was reviewed. The influence of environmental factors on galvanic corrosion was analyzed and the failure characteristics and behaviors of coupling materials were given. The protective measures for mitigation of galvanic corrosion, such as separation, coatings and inhibitors were reviewed. The use of micro-zone techniques, the combination of multi-methods and the consideration of environmental factors are important to research galvanic corrosion. Under multi-factors, the design of simulated galvanic components is beneficial to simulate the actual working conditions. |
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