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Article Dans Une Revue The Journal of Adhesion Année : 2013

Adherence measurements and corrosion resistance in primer/hot-dip galvanized steel systems

Résumé

This paper focuses on the adherence during ageing of a primer (made of polyester resins crosslinked with melamine) applied onto hot-dip galvanized (HDG) steel for coil coating application and its influence on corrosion protection. A chromium-free surface treatment, composed of fluorotitanic acid, phosphoric acid, manganese phosphate, and vinylphenol was applied on the HDG steel to obtain high corrosion resistance and high adherence of a polyester and melamine primer. The influence of the manganese phosphate on the corrosion and adherence was investigated. To measure the adherence between the metal and the primer, a three-point flexure test was set up. The adherence was then linked with corrosion resistance during ageing, using electrochemical impedance spectroscopy.
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Dates et versions

hal-03526103 , version 1 (14-01-2022)

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Vincent Floch, Yasmine Doleyres, Sylvain Amand, Maëlenn Aufray, Nadine Pébère, et al.. Adherence measurements and corrosion resistance in primer/hot-dip galvanized steel systems. The Journal of Adhesion, 2013, 89 (5), pp.339-357. ⟨10.1080/00218464.2013.757510⟩. ⟨hal-03526103⟩
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