Quantitative Evaluation of Steel Corrosion in Microenvironments Using the Corrosion Coulometer
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
A corrosion sensor, termed a corrosion coulometer, has been developed for use on steel structures. The corrosion coulometer quantifies the corrosion occurring on a steel element due to atmospheric conditions such as dust, debris, humidity, condensation and electrolytic species. Use of inexpensive monitors to accurately assess the condition of structural systems can have a major impact on reducing the costs of maintaining the infrastructure. This paper presents results from application of corrosion monitors on weathering steel bridges, at an outdoor exposure site and under laboratory conditions. The emphasis is the quantitative relationship between coulometer and adjacent panel corrosion penetration data. More detailed discussion focusing on corrosion coulometer sensor design considerations is available [1].