Rust(编程语言)
钢筋
碳化作用
材料科学
扫描电子显微镜
碳钢
缓蚀剂
氯化物
耐久性
腐蚀
冶金
复合材料
计算机科学
程序设计语言
作者
Zhiqiang Niu,Xiaoming Lu,Yanan Luo
出处
期刊:Coatings
[Multidisciplinary Digital Publishing Institute]
日期:2023-08-05
卷期号:13 (8): 1375-1375
被引量:5
标识
DOI:10.3390/coatings13081375
摘要
To address rebar corrosion in existing concrete structures, a multifunctional compound rust inhibitor was developed. This study investigates the impact of this inhibitor on carbon steel rust resistance, as well as the mechanical properties and durability of concrete. The results demonstrate a significant reduction in weight loss of carbon steel when using a multifunctional rust inhibitor, with a rust inhibition efficiency of 82.6%. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) were employed to observe and analyze the surface elements of carbon steel, both with and without the presence of a rust inhibitor. The findings indicate that the use of a rust inhibitor leads to a smoother and more stable surface film. The results of the experiments on compressive strength, chloride ion electromobility, and the rapid carbonation test of concrete with varying rust inhibitor contents indicate that increasing the amount of rust inhibitor can improve the compressive performance of concrete and can regulate the mobility of chloride ions. Specifically, when the rust inhibitor content reaches 4%, it has a notable positive impact on the performance of concrete, and further increases in content lead to smoother results.
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