大气腐蚀监测<strong>Cu-Zn</strong>探针环境因素敏感性和腐蚀影响

doi:10.11902/1005.4537.2023.388

中国腐蚀与防护学报

2024, Vol. 44

Issue (5): 1339-1344 CSTR: 32134.14.1005.4537.2023.388 DOI: 10.11902/1005.4537.2023.388

研究报告

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大气腐蚀监测Cu-Zn探针环境因素敏感性和腐蚀影响

张昊¹, 陈俊航¹, 胡为峰², 张新³, 董超芳¹, 肖葵¹(

)

1 北京科技大学新材料技术研究院北京 100083
2 北京赛亿科技有限公司北京 100083
3 北京科大分析检验中心有限公司北京 100083

Environmental Factor Sensitivity and Corrosion Effect of Cu-Zn Probe for Atmospheric Corrosion Monitoring

ZHANG Hao¹, CHEN Junhang¹, HU Weifeng², ZHANG Xin³, DONG Chaofang¹, XIAO Kui¹(

)

1 Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China
2 Beijing Suryee Science & Technology Co., Ltd., Beijing 100083, China
3 Testing Center of University of Science and Technology Beijing Co., Ltd., Beijing 100083, China

引用本文:

张昊, 陈俊航, 胡为峰, 张新, 董超芳, 肖葵. 大气腐蚀监测Cu-Zn探针环境因素敏感性和腐蚀影响[J]. 中国腐蚀与防护学报, 2024, 44(5): 1339-1344.
Hao ZHANG, Junhang CHEN, Weifeng HU, Xin ZHANG, Chaofang DONG, Kui XIAO. Environmental Factor Sensitivity and Corrosion Effect of Cu-Zn Probe for Atmospheric Corrosion Monitoring[J]. Journal of Chinese Society for Corrosion and protection, 2024, 44(5): 1339-1344.

全文: PDF(8756 KB) HTML

摘要:

探讨了Cu-Zn探头在不同温度、NaCl浓度、NaHSO₃浓度以及NaCl和NaHSO₃混合溶液的盐雾环境下的腐蚀行为，以及Cu-Zn探头积分电量的变化规律。研究结果表明，Cu-Zn探头对温度、NaCl浓度、NaHSO₃浓度以及二者混合体系浓度的变化具有高度敏感性，表现出较为显著的灵敏度。在综合考虑各因素的基础上，Cu-Zn探头的腐蚀影响顺序为：温度<NaCl浓度<NaHSO₃浓度<NaCl和NaHSO₃混合浓度。

关键词 ： ACM技术, Cu-Zn探头, 盐雾试验, 积分电量

Abstract：

The corrosion behavior of Cu-Zn probe, used for atmospheric corrosion monitoring (ACM), was studied at different temperatures via salt spray testing with NaCl solutions, NaHSO₃ solutions, and NaCl and NaHSO₃ mixed solutions of varying concentration respectively. Correspondingly, the variation of the integrated charge quantity of Cu-Zn probes was also acquired with the testing conditions. The results indicate that the Cu-Zn probe is highly sensitive to the variation of test temperature, NaCl concentration, NaHSO₃ concentration, and the concentration of the mixed ones, exhibiting significant sensitivity. On the basis of comprehensive consideration of various factors, the order of corrosion impact for Cu-Zn probes is as follows: temperature < NaCl concentration < NaHSO₃ concentration < concentration of NaCl and NaHSO₃ mixture.

Key words： ACM technology Cu-Zn probe salt spray test integrated charge quantity

收稿日期: 2023-12-12 32134.14.1005.4537.2023.388

ZTFLH:

TG174

基金资助:国防科技工业技术基础科研项目(JSHS2020209B001)

通讯作者: 肖葵，E-mail：xiaokui@ustb.edu.cn，研究方向为腐蚀与防护

Corresponding author: XIAO Kui, E-mail: xiaokui@ustb.edu.cn

作者简介: 张昊，男，1999年生，博士生

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https://www.jcscp.org/CN/10.11902/1005.4537.2023.388 或 https://www.jcscp.org/CN/Y2024/V44/I5/1339

图 1 ACM腐蚀探头示意图

图2 Cu-Zn腐蚀探头宏观形貌

图3 Cu-Zn探头的ACM积分电量随温度的变化关系

图4 不同NaCl浓度盐雾试验Cu-Zn腐蚀探头的宏观形貌

图5 Cu-Zn腐蚀探头的ACM积分电量随NaCl浓度的变化趋势

图6 不同NaHSO3浓度盐雾试验Cu-Zn腐蚀探头的宏观形貌

图7 Cu-Zn腐蚀探头的ACM积分电量随NaHSO3浓度的变化关系

图8 NaHSO3浓度为0.05%，不同NaCl浓度盐雾试验Cu-Zn腐蚀探头的宏观形貌

图9 Cu-Zn腐蚀探头的ACM积分电量随混合浓度的变化关系

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