| 封闭处理对铝合金硬质阳极氧化膜防护性能的影响研究 |
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| 引用本文： | 钱建才,邹洪庆,马春华,方敏,许斌,吕基成.封闭处理对铝合金硬质阳极氧化膜防护性能的影响研究[J].装备环境工程,2019,16(12):80-85. |
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| 作者姓名： | 钱建才 邹洪庆 马春华 方敏 许斌 吕基成 |
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| 作者单位： | 西南技术工程研究所，重庆 4000039;国防科技工业自然环境试验研究中心，重庆 4000039,西南技术工程研究所，重庆 4000039;国防科技工业自然环境试验研究中心，重庆 4000039,南阳师范学院 机电工程学院，河南 南阳 473061,西南技术工程研究所，重庆 4000039;国防科技工业自然环境试验研究中心，重庆 4000039,西南技术工程研究所，重庆 4000039;国防科技工业自然环境试验研究中心，重庆 4000039,西南技术工程研究所，重庆 4000039;国防科技工业自然环境试验研究中心，重庆 4000039 |
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| 基金项目： | 河南省自然科学基金项目(162300410207) |
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| 摘 要： | 目的研究不同腐蚀环境条件下,封闭处理对铝合金硬质阳极氧化膜防护性能的影响规律。方法采用中性盐雾、酸性盐雾试验方法进行加速试验,对无划痕试样腐蚀外观和附着力以及有划痕试样的腐蚀形貌等进行检测和考核分析。结果获得了4种铝合金材料硬质阳极氧化膜层在不同试验环境条件下的防护性能、腐蚀失效、附着力变化以及抗腐蚀扩展性能等试验数据。结论封闭处理能够提高铝合金硬质阳极氧化膜层的耐蚀性,改善硬质阳极氧化膜层的耐腐蚀扩展性,同时有助于解决硬质阳极氧化膜层与有机涂层附着力降低的问题。
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| 关 键 词： | 铝合金 耐蚀性 中性盐雾试验 酸性盐雾试验 硬质阳极氧化 封闭处理 |
| 收稿时间： | 2019/7/7 0:00:00 |
| 修稿时间： | 2019/6/13 0:00:00 |
Effects of Sealing Treatment on Protective Properties of Hard Anodic Oxide Coatings on Aluminum Alloy |
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| QIAN Jian-cai,ZOU Hong-qing,MA Chun-hu,FANG Min,XU Bin and LYU Ji-cheng.Effects of Sealing Treatment on Protective Properties of Hard Anodic Oxide Coatings on Aluminum Alloy[J].Equipment Environmental Engineering,2019,16(12):80-85. |
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| Authors: | QIAN Jian-cai ZOU Hong-qing MA Chun-hu FANG Min XU Bin and LYU Ji-cheng |
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| Affiliation: | Southwest Technology and Engineering Research Institute, Chongqing 400039, China;China Weathering Test and Research Center of Science Technology and Industry for National Defense, Chongqing 400039, China,Southwest Technology and Engineering Research Institute, Chongqing 400039, China;China Weathering Test and Research Center of Science Technology and Industry for National Defense, Chongqing 400039, China,College of Mechanical and Electronic Engineering, Nanyang Normal University, Nanyang 473061, China,Southwest Technology and Engineering Research Institute, Chongqing 400039, China;China Weathering Test and Research Center of Science Technology and Industry for National Defense, Chongqing 400039, China,Southwest Technology and Engineering Research Institute, Chongqing 400039, China;China Weathering Test and Research Center of Science Technology and Industry for National Defense, Chongqing 400039, China and Southwest Technology and Engineering Research Institute, Chongqing 400039, China;China Weathering Test and Research Center of Science Technology and Industry for National Defense, Chongqing 400039, China |
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| Abstract: | Objective To find out the effect of sealing treatment on the protective performance of hard anodic oxide coating on aluminum alloy under different corrosion conditions. Methods Neutral salt spray test (NSS) and copper-accelerated acetic acid salt spray test (CASS) were adopted for accelerated test. The corrosion morphology of scratched samples and the corrosion appearance and adhesion strength of non-scratched samples were examined and analyzed. Results Protective properties, corrosion failure, adhesion change and anti-corrosion propagation performance of hard anodic oxide coating on four kinds of aluminum alloy materials under different test environments were obtained. Conclusion Sealing treatment can improve the corrosion resistance of hard anodic oxide coatings, improve the anti-corrosion propagation performance of hard anodic oxide coatings, and help to solve the problem of low adhesion between hard anodic oxide coatings and organic coatings. |
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| Keywords: | aluminum alloy corrosion resistance NSS CASS hard anodizing sealing treatment |
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