Effect of Copper Tailing Content on Corrosion Resistance of Steel Reinforcement in a Salt Lake Environment
Zhang, Liming1; Li, Jia2; Qiao, Hongxia3
2019-10
发表期刊MATERIALS
卷号12期号:19
摘要With the increasing proportions of copper tailings of concrete in the Qinghai Salt Lake area of China, there arises the problem of corrosion of steel reinforcement in concrete structures. In this study, we determine the corrosion rate (C-R), crack width, and corrosion potential of the steel reinforcement with copper tailing. This was achieved by conducting the constant-current accelerated corrosion test with different proportions of copper tailing in the brine environment of the Qinghai province. The results demonstrate that the corrosion potential (E-corr) and the passivation area of the polarization curve decrease with the increase in the corrosion time, and the corrosion rate and crack width increase with the increase in the corrosion time. When the corrosion time is the same, the corrosion potential, crack width, and corrosion depth of the reinforcement decrease first and then increase with the increase in the copper tailing powder content. When the copper tailing powder content is 20%, the above parameters reach the minimum value. In the salt lake environment of Qinghai, China, the copper tailing powder content is recommended to be 20%.
关键词copper tailing Qinghai Salt Lake constant-current acceleration corrosion resistance
DOI10.3390/ma12193069
收录类别SCI
语种英语
资助项目Science and Technology Project of the Jiangxi education department[GJJ180930] ; National Key Research and Development Plan "Solid Waste Resources" Key Projects[2018YFC1903402]
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000493308500018
出版者MDPI
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/76576
专题土木工程学院
通讯作者Zhang, Liming
作者单位1.Nanchang Inst Technol, Sch Civil & Architectural Engn, Nanchang 330099, Jiangxi, Peoples R China
2.Nanchang Inst Technol, Library, Nanchang 330099, Jiangxi, Peoples R China
3.Lanzhou Univ Technol, Sch Civil Engn, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Liming,Li, Jia,Qiao, Hongxia. Effect of Copper Tailing Content on Corrosion Resistance of Steel Reinforcement in a Salt Lake Environment[J]. MATERIALS,2019,12(19).
APA Zhang, Liming,Li, Jia,&Qiao, Hongxia.(2019).Effect of Copper Tailing Content on Corrosion Resistance of Steel Reinforcement in a Salt Lake Environment.MATERIALS,12(19).
MLA Zhang, Liming,et al."Effect of Copper Tailing Content on Corrosion Resistance of Steel Reinforcement in a Salt Lake Environment".MATERIALS 12.19(2019).
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