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材料工程  2013, Vol. 0 Issue (1): 6-11    DOI: 10.3969/j.issn.1001-4381.2013.01.002
  工艺 本期目录 | 过刊浏览 | 高级检索 |
不同表面处理工艺对Ti-6A1-4V钛合金漆层结合力和电偶腐蚀性能影响
吴松林1, 刘明辉2, 易俊兰1, 陈洁1, 杨勇进2, 王志申2
1. 上海飞机制造有限公司,上海 200436;
2. 北京航空材料研究院,北京 100095
Effect of Different Surface Treatments on Painting Adhesion and Galvanic Corrosion Behavior of Titanium Alloy Ti-6A1-4V
WU Song-lin1, LIU Ming-hui2, YI Jun-lan1, CHEN Jie1, YANG Yong-jin2, WANG Zhi-shen2
1. Shanghai Aircraft Manufacturing Co.,Ltd.,Shanghai 200436,China;
2. Beijing Institute of Aeronautical Materials,Beijing 100095,China
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摘要 对比研究了经不同表面处理工艺(脉冲阳极氧化、直流阳极氧化、酸洗钝化)处理后的钛合金表面的漆层结合力及其与经铬酸阳极氧化处理的2024铝合金组成的电偶对的电偶腐蚀性能。结果表明:脉冲阳极氧化处理的钛合金表面呈明显的多孔结构,有效地提升了基体与漆层的结合力,同时钛合金表面的阳极氧化膜层还可有效降低与其对接的铝合金材料的电偶腐蚀倾向。在综合性能方面这种新型的脉冲阳极氧化工艺优于传统直流阳极氧化和酸洗钝化工艺。
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吴松林
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易俊兰
陈洁
杨勇进
王志申
关键词 Ti-6Al-4V钛合金表面处理漆层结合力电偶腐蚀    
Abstract:The effect of different surface treatments(pulse current anodizing, direct current anodizing and acid pickling passivating) on painting adhesion and galvanic corrosion behavior of titanium alloy Ti-6Al-4V coupled with aluminum alloy 2024 treated chromic acid anodizing was studied. Result of microstructure and tape adhesion tests shows porous film on the surface of titanium alloy treated by pulse current anodizing can effectively improve its painting adhesion . It was demonstrated by galvanic corrosion test that anodized films on titanium alloy can significantly reduce the susceptibility of galvanic corrosion between titanium alloy and aluminum alloy. Pulse current anodizing process shows better performance than direct current anodizing and acid pickling passivating in application by the results of these comparison.
Key wordstitanium alloy Ti-6Al-4V    surface treatment    painting adhesion    galvanic corrosion
收稿日期: 2012-02-23      出版日期: 2013-01-20
中图分类号: 

TG17

 
作者简介: 吴松林(1984-),男,硕士,主要从事飞机材料表面防护相关工艺研究,联系地址:上海市场中路3115号上海飞机制造有限公司(200436),E-mail:wusonglin@comac.cc
引用本文:   
吴松林, 刘明辉, 易俊兰, 陈洁, 杨勇进, 王志申. 不同表面处理工艺对Ti-6A1-4V钛合金漆层结合力和电偶腐蚀性能影响[J]. 材料工程, 2013, 0(1): 6-11.
WU Song-lin, LIU Ming-hui, YI Jun-lan, CHEN Jie, YANG Yong-jin, WANG Zhi-shen. Effect of Different Surface Treatments on Painting Adhesion and Galvanic Corrosion Behavior of Titanium Alloy Ti-6A1-4V. Journal of Materials Engineering, 2013, 0(1): 6-11.
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http://jme.biam.ac.cn/CN/10.3969/j.issn.1001-4381.2013.01.002      或      http://jme.biam.ac.cn/CN/Y2013/V0/I1/6
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