کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4913290 | 1428760 | 2017 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Effect of Na2SiO3 content on passivation and corrosion behaviour of steel in a simulated pore solution of Na2SiO3-activated slag
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی عمران و سازه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Effect of Na2SiO3 content on passivation and corrosion behaviour of steel in a simulated pore solution of Na2SiO3-activated slag Effect of Na2SiO3 content on passivation and corrosion behaviour of steel in a simulated pore solution of Na2SiO3-activated slag](/preview/png/4913290.png)
چکیده انگلیسی
This paper aimed to investigate the effect of the Na2SiO3 content on steel corrosion behaviour in simulated Na2SiO3-activated slag (NSAS) pore solutions. The simulated NSAS pore solutions were prepared from a Na2SiO3-activated slag extraction solution. Aggressive chloride ions were gradually added to the simulated NSAS pore solutions, and the passivation and corrosion properties of steel in the solutions were studied. The chloride threshold value was also investigated. The results indicated that the content of Na2SiO3-activator greatly influenced the resistance of the steel to chloride-induced corrosion. When the Na2SiO3-activator content is less than or equal to 6% (Na2O% by slag mass), the corrosion resistance of steel in simulated NSAS pore solutions is enhanced as the Na2SiO3-activator content increases. However, further increases in the Na2SiO3-activator content beyond 6% result in a reduction in corrosion resistance. When the alkalinity of the simulated NSAS pore solution is markedly high (above pH 13), the passive film becomes unstable due to the generation of soluble ferrate (FeO42â).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Construction and Building Materials - Volume 146, 15 August 2017, Pages 156-164
Journal: Construction and Building Materials - Volume 146, 15 August 2017, Pages 156-164
نویسندگان
Xiao Yu, Linhua Jiang, Jinxia Xu, Yuheng Zu,