LC4铝合金的土壤盐浓差宏电池腐蚀

来源期刊：中国有色金属学报2000年第5期

论文作者：孙成 李洪锡 张淑泉 高立群

文章页码：653 - 655

关键词：LC4铝合金； 土壤盐浓差； 宏电池腐蚀

Key words：LC4 aluminium alloy; salt concentration in soil; macrocell corrosion

摘    要：利用湿砂土作为模拟土壤， 通过失重法及电化学方法相结合，研究了盐浓差(2.0%Cl^-及0.02%Cl^-)对LC4铝合金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为宏电池阳极而加速腐蚀， 宏电池作用强度达到4.2倍。

Abstract: The effect of salt concentration difference macrocell (2.0% Cl^- and 0.2% Cl^- ) on the corrosion of LC4 alumimium alloy was studied in the simulatedsoil of moisture sands by means of mass loss and electrochemistry. It is shown that the corrosion rates of samples in the higher salt concentration soil were accelerated as cathods， and the rate of the macrocell effect was 4.2 times.