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Investigation of the delamination of polymer-coated zinc and steel surfaces with the scanning Kelvinprobe in a climatic cycle test

Ziel

Much work has been carried out by the steel industry to develop a corrosion test, which is able to simulate the long-term corrosion behaviour of polymer- coated zinc and steel surfaces. These investigations have been of limited success due to a lack of understanding of the many parameters involved in the delamination kinetics. This multi-national research project will investigate the influence of relative humidity of the gaseous phase, the number of wet/dry cycles, the length of the wet and dry period, the concentration of salt on the surface and the temperature of the sample on the corrosion kinetics in a fundamental manner, by using a new experimental technique: the scanning Kelvin microprobe.

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Verein Deutscher Eisenhüttenleute eV
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Sohnstraße 65
40237 Düsseldorf
Deutschland

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