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Article citations


Mataigne, J.M., Vaché, V. and Repoux, M. (2009) Surface Chemistry and Reactivity of Skin-Passed Hot Dip Galvanized Coating. Metallurgical Research & Technology, 106, 41-47.

has been cited by the following article:

  • TITLE: Effect of Hot Dip Galvanized Steel Surface Chemistry and Morphology on Titanium Hexafluoride Pretreatment

    AUTHORS: Ville Saarimaa, Antti Markkula, Kai Arstila, Jere Manni, Jyrki Juhanoja

    KEYWORDS: Hot Dip Galvanized Steel, Aluminum Oxide, Pretreatment, Surface Morphology, Helium Ion Microscopy

    JOURNAL NAME: Advances in Materials Physics and Chemistry, Vol.7 No.2, February 9, 2017

    ABSTRACT: Titanium hexafluoride pretreatments are known to improve paint adhesion and function as a barrier between the coating and the hot dip galvanized (HDG) steel surface. Interactions at the zinc/pretreatment interface are of utmost importance for the formation of pretreatment layers and the corrosion resistance of color coated hot dip galvanized steels. Removal rate of inert aluminum oxide from HDG steel samples by chemical dissolution was studied. XPS measurements showed that the surface Al2O3 layer thickness decreased rapidly already at mild alkaline cleaning, while complete removal of Al required severe etching. Low reactivity of an Al2O3-rich surface was confirmed by impaired formation of a titanium hexafluoride pretreatment layer. Grain boundaries and deformation twinnings were shown to be of importance for the reactivity of the HDG surface and for the precipitation of the pretreatment chemical. Helium ion microscopy images and electron probe microanalysis (EPMA) of a pretreated sample showed accumulation of the pretreatment chemical at the grain boundaries. Al removal rate was fast at the deformation twinnings at the grain plateaus. Slow Al removal was observed at dendritic valleys and grain boundaries. The results increase understanding of the reactivity of hot dip galvanized steel surface.