摘要
采用砂土作为模拟土壤 ,通过失重法及电化学方法 ,研究了土壤盐浓差对A3钢的宏电池腐蚀的影响规律 .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 .
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.
出处
《腐蚀科学与防护技术》
CAS
CSCD
2000年第2期101-103,共3页
Corrosion Science and Protection Technology
基金
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 )
关键词
碳钢
土壤盐浓差
宏电池腐蚀
土壤腐蚀
carbon steel, salt concenration in soil, macrocell corrosion
