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Performance of pre-primed and finish coated galvannealed steel sheets for autom...
Santos, Dulcínea; Raminhos, H.; Travassos, Maria Antónia; Diamantino, Teresa C.; Goodwin, F.; Rangel, C. M.; Costa, Maria do RosárioCoatings are used to enhance appearance and assure functional requirements. High performance and cost reduction during vehicle manufacturing are the main requirements, leading to increased use of pre-primed automotive sheet in recent years. Costs may be significantly reduced if the conventional electrophoretic primer is eliminated or its usage reduced. Conductive primers also offer the advantage of welding faci...
Performance of conductive pre-primers applied on galvanized steel sheets for au...
Santos, Dulcínea; Goodwin, F. E.; Raminhos, H.; Costa, Maria do Rosário; Diamantino, Teresa C.The main driving forces concerning the use of pre-primed automotive sheet are corrosion protection increase and cost reduction during vehicle manufacturing. In this work, the behaviour of two conductive primers, codified by 1 and 2, was studied and compared with that of a conventional electrophoretic primer. Primer 1 is an organic zinc rich silicate with a low thickness (near 4 m) and primer 2 is a very thin (n...
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