| 热喷涂复合牺牲阳极在混凝土中的电化学性能 |
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| 引用本文： | 董炽,张国志,屠柳青,伍建华,陈杨,沈尔卜,雷宇芳,萧以德. 热喷涂复合牺牲阳极在混凝土中的电化学性能[J]. 腐蚀与防护, 2011, 0(6): 486-489 |
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| 作者姓名： | 董炽 张国志 屠柳青 伍建华 陈杨 沈尔卜 雷宇芳 萧以德 |
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| 作者单位： | 中交武汉港湾工程设计研究院有限公司;长大桥梁施工技术交通行业重点实验室;武汉材料保护研究所; |
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| 基金项目： | 科技部科研院所开发研究专项资金资助项目(No.2008EG124221) |
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| 摘 要： | 采用电化学方法比较了熔铸合金和热喷涂合金阳极在不同配合比和不同保护层厚度混凝土中的牺牲阳极性能.结果表明,考察的几类合金对钢筋都有很好的保护作用；混凝土的配合比和钢筋保护层厚度对牺牲阳极的性能有影响；热喷涂锌合金比熔铸锌合金有更大的输出电流；热喷涂铝合金比热喷涂锌合金有较大的输出电流；在混凝土中热喷涂合金阳极比熔铸阳极...
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| 关 键 词： | 热喷涂复合牺牲阳极 钢筋混凝土 电化学 腐蚀 极化电位 |
Electrochermical Performance of Thermal-Sprayed Composite Sacrificial Anodes in Concrete |
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| DONG Chi,ZHANG Guo-zhi,TU Liu-qing,WU Jian-hua,CHEN Yang,SHEN Er-bu,LEI Yu-fang,XIAO Yi-de. Electrochermical Performance of Thermal-Sprayed Composite Sacrificial Anodes in Concrete[J]. Corrosion & Protection, 2011, 0(6): 486-489 |
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| Authors: | DONG Chi ZHANG Guo-zhi TU Liu-qing WU Jian-hua CHEN Yang SHEN Er-bu LEI Yu-fang XIAO Yi-de |
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| Affiliation: | DONG Chi1,2,ZHANG Guo-zhi1,TU Liu-qing1,WU Jian-hua3,CHEN Yang1,SHEN Er-bu1,LEI Yu-fang1,XIAO Yi-de3(1.CCCC Wuhan Harbor Engineering Design and Research Co.,Ltd.,Wuhan 430071,China,2.Key Lab of Large-span Bridge Construction Technology,Ministry of Communications,PRC,3.Wuhan Research Institute of Materials Protection,Wuhan 430030,China) |
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| Abstract: | The performance of sacrificial anodes of casting alloy and thermal-sprayed alloy were measured in the concretes with different mix proportions and different covering layer thicknesses by electrochemical method.The results showed that the rebars were protected well by all above mentioned alloy anodes in the laboratory conditions.The concrete mix proportion and the covering layer thickness had an impact on the performance of the sacrificial anodes.The anode of thermal-sprayed Zn alloy provided more galvanic c... |
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| Keywords: | thermal spray composite sacrificial anode reinforced concrete electrochemistry corrosion polarization potential |
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