铝合金牺牲阳极极化性能研究

doi:10.11902/1005.4537.2013.091

中国腐蚀与防护学报

2014, Vol. 34

Issue (2): 153-159 DOI: 10.11902/1005.4537.2013.091

研究报告

本期目录 | 过刊浏览

铝合金牺牲阳极极化性能研究

梁虎¹, 杜敏¹, 张有慧²

1. 中国海洋大学化学化工学院海洋化学理论与工程技术教育部重点实验室青岛 266100;
2. 海洋石油工程 (青岛) 有限公司青岛 266520

Polarization Performance of Two Aluminium AlloySacrificial Anodes

LIANG Hu¹, DU Min¹, ZHANG Youhui²

1. Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China;
2. Offshore Oil Engineering (Qingdao) Co., Ltd., Qingdao 266520, China

全文: PDF(1499 KB) HTML

摘要:

阳极开路电位下由于氧化膜的存在导致阳极不易溶解，当对阳极施加外加电流后，双电层电容逐渐增大，极化电阻逐渐减小，氧化膜逐渐破裂；随着极化电位的增大，阳极发出电流迅速增大，此时极化电阻逐渐减小，最后基本稳定不变；极化电阻较小的阳极材料有着较好的电化学性能，这与4 d加速实验的评价结果相吻合。

关键词 ：开路电位, 恒电流极化, 循环伏安, 电化学阻抗, 极化性能

Abstract：The polarization performance of two kinds of Al-Zn-In-Mg-Ti sacrificial anodes at different potential was studied by open circuit potential, constant current test, cyclic voltammetry and electrochemical impedance spectroscopy. The results showed that the anodes were difficult to dissolve because of an oxide scale could form at open circuit potential. After an impressed current was applied to the anodes, the electric double layer capacitance gradually increased, the polarization resistance was gradually reduced, the oxide film gradually ruptured. With the increasing of polarization potential, the anode current increased rapidly, while the polarization resistance decreased and finally became stable. The anode with smaller polarization resistance exhibited a good electrochemical performance, which was consistent with the 4 d evaluation results by an accelerated test.

Key words： open circuit potential constant current test cyclic voltammetry electrochemical impedance spectroscopy polarization performance

收稿日期: 2013-05-06

ZTFLH:

TG174.2

通讯作者: 杜敏，E-mail：ssdm99@ouc.edu.cn

作者简介: 梁虎，1986年生，男，硕士生，研究方向为金属腐蚀与防护

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引用本文:

梁虎, 杜敏, 张有慧. 铝合金牺牲阳极极化性能研究[J]. 中国腐蚀与防护学报, 2014, 34(2): 153-159.
LIANG Hu, DU Min, ZHANG Youhui. Polarization Performance of Two Aluminium AlloySacrificial Anodes. Journal of Chinese Society for Corrosion and protection, 2014, 34(2): 153-159.

链接本文:

https://www.jcscp.org/CN/10.11902/1005.4537.2013.091 或 https://www.jcscp.org/CN/Y2014/V34/I2/153

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