STUDY ON MONITORING LOCAL CORROSION OF CONDENSER'S BRASS TUBES IN THERMAL POWER PLANTS[J]. Thermal power generation, 2003, (9): 63-64. DOI: 10.19666/j.rlfd.2003.09.021.
电厂凝汽器铜管局部腐蚀监测的研究
摘要
在实验室模拟腐蚀条件下
将电位监测、线性极化 2种电化学测试方法结合起来用于判断铜管的局部腐蚀状况。结果表明
黄铜表面出现点蚀时
电极的极化电阻明显下降
腐蚀电位也明显降低。此规律可用于监测金属表面的点蚀情况
Abstract
The judgement of brass tubes’ local corrosion by using jointly two electrochemical test methods
namely the potential monitoring and the linear polarization
has been studied under laboratory conditions. The results show
when pitting corrosion occurred on the brass surface
the polarization resistance of electrode was obviously decreased
and the corrosion potential being also obviously lowered. This rule can be used to monitoring the degree of pitting corrosion on the matallic surface.