前处理对不同铝合金腐蚀性能及机制的影响

doi:10.3969/j.issn.2095-2198.2023.03.010

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为探究前处理对不同铝合金的腐蚀性能及腐蚀机制的影响，选取国产板材AA1060、AA2024、AA3003、AA5052和AA6061作为研究对象，通过中性盐雾试验和电化学测试对打磨处理前后的不同铝合金进行测试和表征.结果表明：打磨和未经打磨处理的铝合金经24 h中性盐雾试验后，表面出现不同程度的腐蚀；电化学测试结果表明，打磨前处理后，AA1060、AA2024、AA3003和AA5052铝合金的自腐蚀电位均有不同程度的降低，AA1060、AA3003和AA5052铝合金极化电阻均有不同程度的变大，对比发现，AA2024锈蚀最为严重.

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关键词: 铝合金')" href="#">

铝合金防腐性能电化学

Abstract:

In order to explore the effect of pre-treatment on the corrosion performance and corrosion mechanism of different aluminum alloys,domestic sheets AA1060,AA2024,AA3003,AA5052,and AA6061 were selected as the research objects.Through neutral salt spray experiment and electrochemical test,different aluminum alloys before and after polishing treatment were tested and characterized.The results show that after 24 h of neutral salt spray test,the surface of the polished and unpolished aluminum alloys has different degrees of corrosion.The electrochemical test results show that the self-corrosion potential of AA1060,AA2024,AA3003,and AA5052 aluminum alloys decreases to varying degrees.And the polarization resistance of AA1060,AA3003,and AA5052 aluminum alloys al increases to varying degrees.The comparison shows that AA2024 is the most severely corroded.

Key words: aluminum alloy')" href="#">

aluminum alloy corrosion resistance electrochemistry

出版日期: 2023-06-30 发布日期: 2024-03-11 整期出版日期: 2023-06-30

ZTFLH:

TG172.2

作者简介: 李庆鹏(1984—)，男，辽宁沈阳人，讲师，博士，主要从事环保防护技术的研究.

引用本文:

李庆鹏1, 2, 刘利冉1, 李敏1, 史胜南2, 刘建国3.

前处理对不同铝合金腐蚀性能及机制的影响 [J]. 沈阳化工大学学报, 2023, 37(3): 266-271.
LI Qingpeng1, 2, LIU Liran1, LI Min1, SHI Shengnan2, LIU Jianguo3.

Effect of Pretreatment on Corrosion Performance and Mechanism of Different Aluminum Alloys . Journal of Shenyang University of Chemical Technology, 2023, 37(3): 266-271.

链接本文:

https://xuebao.syuct.edu.cn/CN/10.3969/j.issn.2095-2198.2023.03.010 或 https://xuebao.syuct.edu.cn/CN/Y2023/V37/I3/266

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