Technical Articles

Metallic coating corrosion resistance in ethanol fuel

Publicado em 31/01/2022

Abstract

The results of immersion tests in fuel ethanol performed using several types of metallic and inorganic coatings are presented. The following coatings applied on carbon steel were tested: aluminum; chromatized cadmium; lead; hard chromium; Dacromet® (a special zinc coating); phosphate coating, nickel; zinc; chromatized zinc. Anodized aluminum was also studied. Among the tested coatings, the hard chromium and the nickel coatings presented the best performance. The Dacromet® coating and the anodized aluminum also presented satisfactory performance. The zinc, lead and the phosphate coatings did not present a good performance.


Reference

WOLYNEC, S; KAJIMOTO, Z. P. Estudo da resistência à corrosão de revestimentos metálicos em álcool carburante. In: ENCONTRO DOS CENTROS DE APOIO TECNOLÓGICOS, 10., 1982, Brasília. Anais… p. 231-254. (IPT Publicação 1532)