Establishment of in-situ measurement and evaluation methods for corrosive factors in atmospheric environment

ACM传感器的输出取决于溶液的化学成分和电导率，而不取决于降雨速度。通过对ACM传感器输出数据的分析，证实了碳钢在降雨过程中的腐蚀速率可以估算出来。通过测量传感器铁、银电极之间的电势差，确定了雨的成分。由于ACM传感器的输出也随着腐蚀性气体、硫化氢或二氧化硫浓度的增加而变大，因此可以通过分析传感器输出来评估这些气体的相关性。

The ACM sensor output depends on solution chemistry, composition and conductivity, while it does not depend on rain speed. It was confirmed that corrosion rate of carbon steel in the rain period can be estimated by analyzing ACM sensor output. It was also confirmed that composition of the rain by measuring potential difference between Fe and Ag electrodes of the sensor. Since the ACM sensor output also becomes larger with increasing concentrations of corrosive gases, H2S or SO2, the corosivities of those gases can be evaluated by analyzing the sensor output.