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Sensor for Monitoring Corrosion of Steel Structures

Summary

Researchers at Purdue University have developed an automatic sensor that can measure changes in electrical properties of steel to find early signs of corrosion damage. The system consists of a metal that is the same composition as the metal being monitored and a corrosion-resistant metal that functions as an electrical conductor. As the test metal sample corrodes, the changes in electrical conductivity of the meter are wirelessly transmitted for automatic data acquisition. This data can be accurately used to correlate the electrical conductance change of the metal to the extent of corrosion.

Technology Benefits

Automatic and accurate measurement of steel corrosionEnables monitoring of steel corrosion in difficult or impossible to reach areas

Technology Application

Assessing Corrosion Damage

Detailed Technology Description

Dong ChenIPFW Civil Engineering

Countries

United States

Application No.

None

Country/Region

USA

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