Study on the Sensor for Monitoring Brass Tube Corrosion

J Chin Soc Corr Pro

2004, Vol. 24

Issue (1): 52-54 DOI:

Technology Report

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Study on the Sensor for Monitoring Brass Tube Corrosion

Yin Lihui;Song Shizhe

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Abstract A sensor for monitoring corrosion of brass tube of power station is designed and made. The Ag/AgCl wire is used as reference electrode and the pt-Ir alloy wire as assistant electrode. Insulatedly, the two electrodes are filled in a tailor-made EVA(polymer of ethylene and acetic acid ethylene) tube whose diameter is one millimeter. So the sensor can be put into long tube for monitoring .A simulation cell is made for simulating the sondition of power station. The used and not used brass tubes are cut into same length for making cell. The inside of brass tube is used as work electrode, the tap water is used as electrolyte. The sensor is applied to measure polarization resistance(Rp) of the two brass tubes of cell. The results show that the sensor can be used for monitoring the corrosion of brass tube.

Key words: brass corrosion sensor electrochemical impedance spectrum(EIS) polarization resistance

Received: 27 January 2003

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	Yin Lihui
	Song Shizhe

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Yin Lihui; Song Shizhe. Study on the Sensor for Monitoring Brass Tube Corrosion. J Chin Soc Corr Pro, 2004, 24(1): 52-54 .

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y2004/V24/I1/52

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