Chromate Quenching
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1. Contaminação com sal de cloreto e cromatização da superfície do aço zincado no processo não-contínuo de zincagem por imersão a quente: influência no desempenho de tintas e determinação de pré-tratamentos para pintura adequados. / Chloride salt contamination and chromate quenching of galvanized steel on the batch galvanizing process: the influence on paint performance and the determination of suitable surface preparation for painting.
The batch galvanizing process (BGP) can lead to surface contamination of hot-dip galvanized steel (HDGS) with chloride residues. If these residues are not effectively eliminated, they can influence negatively on the performance of duplex systems (galvanizing plus painting). It is known that the chromate quenching is widely used in the BGP, however the effect
Publicado em: 2006