Al-Zn-In-Mg-Ga-Mn牺牲阳极腐蚀防护行为研究

中国腐蚀与防护学报

2012, Vol. 32

Issue (1): 44-47

研究报告

本期目录 | 过刊浏览

Al-Zn-In-Mg-Ga-Mn牺牲阳极腐蚀防护行为研究

黄燕滨¹,宋高伟¹,刘学斌¹,丁华东¹,闫永贵²,邵新海¹

1. 装甲兵工程学院装备再制造工程系北京 100072
2. 中船重工七二五所海洋腐蚀与防护国防科技重点实验室青岛 266071

CORROSION PROTECTION OF Al-Zn-In-Mg-Ga-Mn ALUMINOUS SACRIFICIAL ANODE

HUANG Yanbin¹, SONG Gaowei¹, LIU Xuebin¹, DING Huadong¹, YAN Yonggui², SHAO Xinhai¹

1. Department of Equipment Remanufacture Engineering, Academy of Armored Force Engineering, Beijing 100072
2. State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Materials Research Institute, Qingdao 266071

全文: PDF(1057 KB)

摘要: 采用电化学阻抗谱技术、失重法和扫描电镜分析技术（SEM）研究Al-Zn-In-Mg-Ga-Mn牺牲阳极在自腐蚀与7A52铝合金偶接两种条件下的溶解行为和活化性能。结果表明：偶连接的Al-Zn-In-Mg-Ga-Mn牺牲阳极有效地降低了7A52Al的腐蚀速率，牺牲阳极一直存在活性溶解，腐蚀均匀，腐蚀产物易脱落。自腐蚀的Al-Zn-In-Mg-Ga-Mn牺牲阳极发生局部腐蚀，表面溶解不均匀；表面腐蚀产物和氧化膜以及活性溶解点的减少阻滞了牺牲阳极溶解反应。

关键词 ：铝基牺牲阳极, 海洋腐蚀防护, 电化学阻抗, 腐蚀速率

Abstract：Activation performance and dissolution behavior of Al-Zn-In-Mg-Ga-Mn sacrifice anode under condition of natural corrosion and coupled with 7A52 aluminum alloy was investigated by electrochemistry impedance spectrum technology, mass loss method and SEM analysis technology. The result showed: the corrosion rate of 7A52 which was protected by sacrificial anode was decreased at a certain extent. The sacrificial anode corrodes uniformity, and corrosion products fall off easily. Al-Zn-In-Mg-Ga-Mn sacrifice anode in natural corrosion occurs localized corrosion and dissolves non-uniform, which the active pots was covered by oxide film and corrosion products, and the corrosion reaction was prevented.

Key words： aluminous sacrificial anode marine corrosion protection electrochemical impedance corrosion

收稿日期: 2010-08-09

ZTFLH:

TG174.41

通讯作者: 宋高伟 E-mail: yuky2008@163.com

Corresponding author: SONG Gaowei E-mail: yuky2008@163.com

作者简介: 黄燕滨，男，1961年生，教授，研究方向为腐蚀综合控制技术

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引用本文:

黄燕滨,宋高伟,刘学斌,丁华东,闫永贵,邵新海. Al-Zn-In-Mg-Ga-Mn牺牲阳极腐蚀防护行为研究[J]. 中国腐蚀与防护学报, 2012, 32(1): 44-47.
HUANG Yan-Bin, LIU Hua-Bin. CORROSION PROTECTION OF Al-Zn-In-Mg-Ga-Mn ALUMINOUS SACRIFICIAL ANODE. J Chin Soc Corr Pro, 2012, 32(1): 44-47.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2012/V32/I1/44

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