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| New Corrosion Protection Coating System for Typical Helicopter Structural Materials |
| Received:July 20, 2019 Revised:August 22, 2019 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/issn.1672-9242.2020.02.007 |
| KeyWord:coating maritime climate corrosion aluminum alloy composite electrochemical |
| Author | Institution |
| CUI Teng-fei |
Integrated Technology Research Department, China Helicopter Research and Development Institute, Jingdezhen, , China |
| YANG Li-yuan |
Aviation Key Laboratory of Science and Technology on Advanced Corrosion and Protection for Aviation Material, Beijing Institute of Aeronautical Material, Beijing , China |
| PENG Wang-shu |
Integrated Technology Research Department, China Helicopter Research and Development Institute, Jingdezhen, , China |
| CAO Zhen |
Integrated Technology Research Department, China Helicopter Research and Development Institute, Jingdezhen, , China |
| LIU Ming |
Aviation Key Laboratory of Science and Technology on Advanced Corrosion and Protection for Aviation Material, Beijing Institute of Aeronautical Material, Beijing , China |
| GAO Meng |
Aviation Key Laboratory of Science and Technology on Advanced Corrosion and Protection for Aviation Material, Beijing Institute of Aeronautical Material, Beijing , China |
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| Abstract: |
| The paper aims to study the protection effect of new corrosion protection coating system foraluminum alloy and composite of typicalhelicopter structure in tropical maritime climate area. And the protection effectof new coating on aluminum alloy and composite of typical helicopter structure was contrasted with that of the unimproved coating by testing the morphology, glossiness, chromatic aberration, electrochemical impedance. The results showed that after 2 years of corrosion, the new corrosion protection coating had no difference, but there was slight corrosion on the unimproved protected coating and glossiness and chromatism were decreased. The electrochemical impedance spectroscopy showed that the coating’s structure had no change during experiment time. The impedance of all coatings decreased, but the unimproved coating’s impedance decreased more. The new corrosion protection coating system has better corrosion property for helicopter structural materials. It is appropriate for marine climate. |
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