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[1]王臻卓.电力设备材料酒石酸阳极氧化及其腐蚀行为研究[J].电镀与精饰,2022,(6):26-30.[doi:10.3969/j.issn.1001-3849.2022.06.006]
　WANG Zhenzhuo.Study on Tartaric Acid Anodic Oxidation of Electrical Equipment Materials and Its Corrosion Behavior[J].Plating & Finishing,2022,(6):26-30.[doi:10.3969/j.issn.1001-3849.2022.06.006]
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电力设备材料酒石酸阳极氧化及其腐蚀行为研究

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG] 卷: 期数: 2022年6 页码: 26-30 栏目: 出版日期: 2022-06-15
Title:
Study on Tartaric Acid Anodic Oxidation of Electrical Equipment Materials and Its Corrosion Behavior
作者:
王臻卓1; 2
（1.河南工业职业技术学院，河南 南阳 473000； 2.太原理工大学 电气与动力工程学院，山西 太原 030024）
Author(s):
WANG Zhenzhuo 1 2
（1.Henan Vocational and Technical College of Industry， Nanyang 473000， China；　2.College of Electrical and Power Engineering， Taiyuan University of Technology， Taiyuan 030024， China）
关键词:
酒石酸阳极氧化; 阳极氧化膜; 腐蚀行为;  2A12 铝合金; 电力设备
Keywords:
tartaric acid anodic oxidation; ??nodic oxide film; ??orrosion behavior; ??12 aluminum alloy; ??lectrical equipment
分类号:
TQ153.6
DOI:
10.3969/j.issn.1001-3849.2022.06.006
文献标志码:
A
摘要:
对电力设备常用的 2A12 铝合金进行酒石酸阳极氧化，并选用 3.5 % NaCl 溶液作为腐蚀介质浸泡不同时间，研究阳极氧化膜的腐蚀行为。结果表明：未浸泡的阳极氧化膜表面较平整，只分布着纳米量级的孔洞阵列，其阻抗模值（ | Z | 0.01 Hz ）达到 103.0 k Ω ·cm 2 。随着浸泡时间延长，阳极氧化膜的形貌发生显著变化，腐蚀程度逐渐加重，导致形成了接近于微米量级的凹坑甚至缝隙，腐蚀坑面积百分比呈增大的趋势，腐蚀产物也明显增多。浸泡 72 h 、 168 h 后的 | Z | 0.01 Hz 相比于未浸泡时分别降低了约 1 、 2 个数量级，并且到一定阶段后基本不变。阳极氧化膜的腐蚀形式从局部腐蚀逐步转变成全面腐蚀，对腐蚀介质的阻隔能力减弱，表现为腐蚀程度加重，腐蚀失重呈增加的趋势。
Abstract:
： 2A12 aluminum alloy used for electrical equipment was treated by tartaric acid anodic oxida tion ， and the corrosion behavior of anodic oxide film was studied using 3.5 % NaCl solution as corrosive medium to immerse for different time. The results showed that the unsoaked anodic oxide film had smooth surface and there was an array of nanoscale pores ， its impedance modulus value （ | Z | 0.01 Hz ） reached 103.0 k Ω ·cm 2 . With the extension of immersion time ， the morphology of anodic oxide film changed significantly ， and the gradual deterioration of the corrosion resulted in the formation of pits and even cracks close to the micron scale. The percentage of corrosion pits showed an increasing trend ， and the corrosion products increased significantly. The | Z | 0.01 Hz of anodic oxide film immersed for 72 h and 168 h was decreased by about one order of magnitude and about two orders of magnitude respectively compared with that of not immersed anodic oxide film ， and it was basically unchanged after a certain stage. The corrosion form of anodic oxide film gradually changed from local corrosion to comprehensive corrosion ， and the blocking ability to corrosive medium was weakened ， resulting in aggravation of corrosion degree and increasing of corrosion weight loss.

参考文献/References:



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备注/Memo

收稿日期： 2021-03-31 修回日期： 2021-05-01 作者简介： 王臻卓（ 1985 －），女，硕士，副教授， email ： edu30556@126.com 基金项目： 河南省科技攻关项目（ 212102210615 ）

更新日期/Last Update: 2022-06-12