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Technical gazette, Vol. 25 No. 5, 2018.

Original scientific paper

https://doi.org/10.17559/TV-20170206004112

Corrosion Monitoring of Steel Structure Coating Degradation

Bojan Zajec orcid id orcid.org/0000-0001-6170-8748 ; Slovenian National Building and Civil Engineering Institute, Dimičeva 12, 1000 Ljubljana, Slovenia
Mirjam Bajt Leban ; Slovenian National Building and Civil Engineering Institute, Dimičeva 12, 1000 Ljubljana, Slovenia / Akrapovič d.d., Malo Hudo 8a, 1295 Ivančna Gorica, Slovenia
Tadeja Kosec ; Slovenian National Building and Civil Engineering Institute, Dimičeva 12, 1000 Ljubljana, Slovenia
Vili Kuhar ; Slovenian National Building and Civil Engineering Institute, Dimičeva 12, 1000 Ljubljana, Slovenia
Andraž Legat ; Slovenian National Building and Civil Engineering Institute, Dimičeva 12, 1000 Ljubljana, Slovenia
Stanislav Lenart ; Slovenian National Building and Civil Engineering Institute, Dimičeva 12, 1000 Ljubljana, Slovenia
Karmen Fifer Bizjak ; Slovenian National Building and Civil Engineering Institute, Dimičeva 12, 1000 Ljubljana, Slovenia
Kenneth Gavin ; Faculty of Civil Engineering and Geoscience, TU Delft, Building 23, Stevinweg 1, 2628 CN Delft, Netherlands

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Abstract

An important aspect regarding the sustainability of steel structures is to ensure the structure is protected from corrosion. A number of surface coatings are available that play an important role in protecting these structures. An important part of the management of these structures is reliable and regular inspection along with methods for early detection of corrosion processes. In this paper, a development and application of sensors for monitoring the steel coating degradation and corrosion damage to steel substrate are presented. An encapsulated corrosion kit with integrated EIS sensors and ER probes was developed. To test its efficiency, steel probes were coated with selected coatings in the laboratory and their performance was assessed under various aggressive atmospheres, including; salt, industrial and humid atmosphere.

Keywords

coatings; corrosion; electrochemical impedance spectroscopy; electrical resistance probes; railways; steel structures

Hrčak ID:

207432

URI

https://hrcak.srce.hr/207432

Publication date:

28.10.2018.

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