Corrosion behavior of steel reinforcement embedded in cement mortar with surface treatment

被引：0
|
作者：
Song, Xuefeng [1 ]
Wei, Junfa [2 ]
He, Tingshu [1 ]
Li, Guoxin [1 ]
机构：
[1] School of Materials Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
[2] College of Chemistry and Materials Science, Shaanxi Normal University, Xi'an 710062, China
来源：
Kuei Suan Jen Hsueh Pao/ Journal of the Chinese Ceramic Society | 2009年 / 37卷 / 04期
关键词：
Cements - Mortar - Sodium chloride - Reinforcement - Corrosion protection - Corrosive effects - Steel corrosion - Absorption - Resins;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The surface of cement mortar was treated with an impregnating agent named alkyl-alkoxyl silane (AAS) and a super-absorbent resin (SAR) synthesized in situ, respectively. The corrosion risk and the current density of steel reinforcement in the treated cement mortar immersed at sodium chloride solution of 3.5% were evaluated by corrosion potential monitoring and linear polarization resistance (LPR) techniques. The results show that the water-repellent layer of the AAS and the swelling hydrogel of the SAR as a protective layer can improve the resistance to the chloride permeability of the cement mortar; the corrosion potential of the treated specimens is higher and the corrosion current density is lower, compared to that of the untreated specimens. The AAS and the SAR synthesized in situ as surface treatment materials can retard the corrosion behavior of reinforcing steel in cement mortar.
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页码：637 / 641
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