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Corrosion protection systems for off shore wind power plants - compared field and laboratory investigations

Korrosionsschutzsysteme für Offshore-Windkraftanalagen - vergleichende Feld- und Laboruntersuchungen
: Plagemann, P.; Momber, A.; Stenzel, V.; Schneider, M.

Gesellschaft für Chemische Technik und Biotechnologie -DECHEMA-; Gesellschaft für Korrosionsschutz -GfKORR-; European Federation of Corrosion -EFC-:
Progress by corrosion control. EUROCORR 2007, the European Corrosion Congress. CD-ROM : 9 - 13 September 2007, Freiburg im Breisgau, Germany
Frankfurt/Main, 2007 (European Federation of Corrosion. Event 289)
12 pp.
European Corrosion Congress (EUROCORR) <2007, Freiburg>
European Federation of Corrosion (Event) <289, 2007, Freiburg>
Conference Paper
Fraunhofer IFAM ()
Fraunhofer IKTS ()
Windkraftwerk; Off-Shore Anlage; Korrosionsschutz; organischer Überzug; Feldversuch; konstruktive Gestaltung; Schweißnahtform; Schichtablösung; Impedanzspektrometrie; verzinkter Stahl; Epoxidharz

Off shore wind power plants have special requirements to corrosion protection systems because of the complex environmental impact and the operating efficiency. The presented investigations are focussed on the highly loaded areas of the tower construction (splash zone, water transition zone and near submerged zone). In this investigation field and laboratory tests in combination with electrochemical investigations have been performed. The Field tests were carried out on Helgoland over 3 years. The design of the coated test samples was related to constructive aspects of the tower (weld seams, screw couplings, coating transitions, overlaying coating edges, a.s.o.). As laboratory standard tests like ISO 20340 which is a special test evaluated for off shore applications, furthermore ISO 15711 and ASTM G 8 for cathodic disbonding. Additional investigations to the degradation of the coatings have been performed with electrochemical impedance spectroscopy.
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