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| In-situ Surface Treatment Technology Applied in Bonding-Repair of Aircraft Structure |
| Received:January 22, 2016 Revised:June 15, 2016 |
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| DOI：10.7643/ issn.1672-9242.2016.03.022 |
| KeyWord:bonding-repair in-situ surface treatment anode oxidation |
| Author | Institution |
| LIU Yuan-hai |
1.Aviation Key Laboratory of Science and Technology on Structure Corrosion Prevention and Control, Jingmen , China;2.China Special Vehicle Research Institute, Jingmen , China |
| QIU Shi |
1.Aviation Key Laboratory of Science and Technology on Structure Corrosion Prevention and Control, Jingmen , China;2.China Special Vehicle Research Institute, Jingmen , China |
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| Abstract: |
| Objective To put forward a set of engineering available In-situ surface treatment methods for bonding-repair of aircraft structure. Methods A portable phosphoric acid anodizing device was used to study in-situ surface treatment on typical aluminum alloy substrates, along with comparative study involving micro morphology analysis, energy spectrum analysis and durability test. Results The film created by in-situ phosphoric acid anodized on aluminum alloy substrates showed a thick honeycomb structure, and was rich in oxygen, which were the signs of corrosion resistance and durability capacity. Conclusions The in-situ surface treatment method for bonding-repair of aluminum alloy structure could improve the durability of bonding-repair structure in harsh environments, and the durability was equal to that of the traditional Tank PAA. |
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