| 土壤盐浓差宏电池对碳钢的腐蚀 |
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| 引用本文： | 孙成,李洪锡,张淑泉,高立群.土壤盐浓差宏电池对碳钢的腐蚀[J].腐蚀科学与防护技术,2000,12(2):101-103. |
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| 作者姓名： | 孙成 李洪锡 张淑泉 高立群 |
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| 作者单位： | 中国科学院金属腐蚀与防护研究所,金属腐蚀与防护国家重点实验室,沈阳,110015 |
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| 基金项目： | 国家自然科学基金! (5 98991 40 )，国家重点基础研究专项资助! (G1 9990 6 5 0 ) |
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| 摘 要： | 采用砂土作为模拟土壤，通过失重法及电化学方法，研究了土壤盐浓差Ａ３钢的宏电池民腐蚀的影响规律。结果表明位于高盐土壤中的试样试验初期为宏电池阳极，而在第５天发生了极性逆转。
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| 关 键 词： | 碳钢 土壤盐浓差 宏电池腐蚀 |
CORROSION OF CARBON STEEL CAUSED BY SALT CONCENTRATION DIFFERENCE MACROCELL IN SOIL |
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| SUN Cheng,LI Hongxi,ZHANG Shuquan,GAO Liqun.CORROSION OF CARBON STEEL CAUSED BY SALT CONCENTRATION DIFFERENCE MACROCELL IN SOIL[J].Corrosion Science and Protection Technology,2000,12(2):101-103. |
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| Authors: | SUN Cheng LI Hongxi ZHANG Shuquan GAO Liqun |
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| Abstract: | The effect of salt concentration difference macrocell (2.0%Cl - and 0.02%Cl -) on the corrosion of A3 steel was studied in the simulated soil of moisture sands by means of weight loss and electrochemistry methods. It was shown that the sample in the higher salt concentration soil was anode of the macrocell at begining of test, then the polarity of the macrocell was altered after 5 days of experiment. The former anode of the macrocell in the higher salt concentration soil turned to be cathode. This form of macrocell continued until the end of the experiment. |
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| Keywords: | carbon steel salt concenration in soil macrocell corrosion |
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