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Research on protective coating systems for immersed steel structures
Author(s) -
Binder G.
Publication year - 2001
Publication title -
materials and corrosion
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.487
H-Index - 55
eISSN - 1521-4176
pISSN - 0947-5117
DOI - 10.1002/1521-4176(200104)52:4<261::aid-maco261>3.0.co;2-3
Subject(s) - corrosion , coating , metallurgy , gynecology , materials science , composite material , medicine
The development of corrosion protection materials during the last decade is characterised by the reduction of non environment‐compatible and toxic agents. Coatings became free of cancerogenic coal tar and subsequently were reduced in solvents. The results of numerous tests, in laboratory as well as in practice, have shown that the quality in general by that didn't suffer. New test results of outdoor exposure trials confirm the decisive influence of the build‐up of a corrosion protection system. Systems with primers, especially zinc‐dust primers, reduce undercoat corrosion as well as blistering at an artificial scratch. This beneficial effect is important for corrosion protection of hydraulic steel structures with a high degree of local damage caused by mechanical loads. These results were confirmed by laboratory acceleration test. The comparison of undercoat corrosion data at the scratch shows a significant positive correlation between long term trials in nature and laboratory tests.