Wolfram Fürbeth

TL;DR: The basic mechanism of the cathodic delamination of polymer films from zinc-coated steel starting from a defect with an intact zinc layer has been derived in this paper, where the delamination is presented as the formation of a galvanic element between the active defect and the delaminated front with electrons and cations being transported to the local cathode.

TL;DR: In this paper, the authors analyzed the delamination of a simple model coating from clean steel and of technical coatings from petreated steel substrates with a scanning Kelvin probe and found that the basic corrosion mechanism at the metal/polymer interface was not understood.

TL;DR: In this paper, the delamination of a model polymer on galvanished steel has been analyzed with a scanning Kelvinprobe in the presence of defects, which penetrate the coating and the zinc layer.

TL;DR: In this article, the corrosion behavior of zinc-and polymer-coated steel has been investigated from a very fundamental standpoint of view in order to derive the important parameters for suitable short-term corrosion tests, which are capable of simulating outdoor exposure behaviour.

TL;DR: In this article, a kinetic analysis of the experimental data shown in Parts 1 and 2 are presented further experiments demonstrate the strong influence of CO2 on the delamination kinetics, for CO2 concentrations lower than 1 vol% the rate of delamination is reduced drastically without changing the reaction.