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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

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

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【作者】 张昊陈俊航胡为峰张新董超芳肖葵

【Author】 ZHANG Hao;CHEN Junhang;HU Weifeng;ZHANG Xin;DONG Chaofang;XIAO Kui;Institute for Advanced Materials and Technology,University of Science and Technology Beijing;Beijing Suryee Science&Technology Co.,Ltd.;Testing Center of University of Science and Technology Beijing Co.,Ltd.;

【通讯作者】 肖葵;

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

【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,CuZn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 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.

【基金】 国防科技工业技术基础科研项目(JSHS2020209B001)~~
  • 【文献出处】 中国腐蚀与防护学报 ,Journal of Chinese Society for Corrosion and Protection , 编辑部邮箱 ,2024年05期
  • 【分类号】TG172.3
  • 【下载频次】42
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