| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2010: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
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.
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