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Evaluation of the Long-Term Performance of Marine and Offshore Coatings System Exposed on a Traditional Stationary Site and an Operating Ship and Its Correlation to Accelerated Test
RISE Research Institutes of Sweden, Materials and Production, Corrosion. (Institut de la Corrosion)ORCID iD: 0000-0002-0916-5851
RISE Research Institutes of Sweden, Materials and Production, Corrosion.ORCID iD: 0000-0002-1753-9972
RISE Research Institutes of Sweden, Materials and Production, Corrosion.ORCID iD: 0000-0001-5462-2700
RISE Research Institutes of Sweden, Materials and Production, Corrosion.ORCID iD: 0000-0001-8721-8560
2022 (English)In: Coatings, ISSN 2079-6412, Vol. 12, no 11Article in journal (Refereed) Published
Abstract [en]

Anticorrosive coatings are widely used to protect steel against corrosion. Different standards exist to access the corrosion performance of anticorrosive paints. Among them, the so-called neutral salt spray test (NSST-ISO 9227) or cycling corrosion tests ISO 12944-6, ISO 12944-9, NACE TM0304, or NACE TM0404 can be named. It is well-known that some accelerated corrosion tests are not fully representative of the field exposure results. However, a lack in the literature exists correlating accelerated tests to field exposure, especially when long-term durations are considered. In this study, 11 different organic coatings have been investigated in terms of coating resistance to corrosion creep in two types of field exposure sites, namely a stationary site and an operating ship, and their performance was compared to two accelerated tests (ISO 12944-9 and modified ASTM D5894 standard). The results showed differences in the sites’ corrosivity and the coating systems’ performance as a function of the exposure sites. A lack of correlation exists between the ISO 12944-9 standard and the stationary site, due to the latter’s high corrosivity, while, to the contrary, a satisfying correlation with the operating ship was demonstrated; whereas, the modified ASTM D5894 standard showed a satisfying correlation with both types of sites.

Place, publisher, year, edition, pages
2022. Vol. 12, no 11
Keywords [en]
long-term field exposure, marine coatings, offshore coatings, ISO 12944-9, ASTM D5894
National Category
Marine Engineering
Identifiers
URN: urn:nbn:se:ri:diva-63575DOI: 10.3390/coatings12111758OAI: oai:DiVA.org:ri-63575DiVA, id: diva2:1732213
Note

 This research received no external funding

Available from: 2023-01-30 Created: 2023-01-30 Last updated: 2023-12-04Bibliographically approved

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Pélissier, KrystelLe Bozec, NathalieThierry, DominiqueLarché, Nicolas

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