中国腐蚀与防护学报2024,Vol.44Issue(5) :1339-1344.DOI:10.11902/1005.4537.2023.388

大气腐蚀监测Cu-Zn探针环境因素敏感性和腐蚀影响

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

张昊 陈俊航 胡为峰 张新 董超芳 肖葵
中国腐蚀与防护学报2024,Vol.44Issue(5) :1339-1344.DOI:10.11902/1005.4537.2023.388

大气腐蚀监测Cu-Zn探针环境因素敏感性和腐蚀影响

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

张昊 1陈俊航 1胡为峰 2张新 3董超芳 1肖葵1
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作者信息

  • 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
  • 折叠

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.

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 solu-tions,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 sen-sitivity.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.

关键词

ACM技术/Cu-Zn探头/盐雾试验/积分电量

Key words

ACM technology/Cu-Zn probe/salt spray test/integrated charge quantity

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基金项目

国防科技工业技术基础科研项目(JSHS2020209B001)

出版年

2024
中国腐蚀与防护学报
中国腐蚀与防护学会 中国科学院金属研究所

中国腐蚀与防护学报

CSTPCDCSCD北大核心
影响因子:0.819
ISSN:1005-4537
参考文献量21
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