Buscar
Mostrando ítems 31-40 de 433
Caracterização de superfícies de aços galvanizados utilizando a técnica de espectroscopia de impedância eletroquímica
(Universidade Federal de Minas GeraisUFMG, 2013-02-28)
One of the biggest changes in recent years regarding the application of steel as a structural element was the use of steel coated with zinc for situations that require superior corrosion resistance. A wide range of galvanized ...
Avaliação da resistência à corrosão de aços revestidos ou não com zinco fosfatizados e pintados
(Universidade Federal de Minas GeraisUFMG, 2010-03-29)
Corrosion problems have led the automotive industry to improve its corrosion performance with the introduction of different pretreatments and painting techniques. The use of galvanized steels has expanded a great deal in ...
Anti-corrosive effect of polyurethane paints applied on galvanized steel without surface treatmentEfecto anticorrosivo de pinturas de poliuretano aplicadas sobre acero galvanizado sin tratamiento superficial
(Universidad Nacional Mayor de San Marcos, Facultad de Ingeniería Geológica, Minera, Metalúrgica y Geográfica, 2019)
Characterization and corrosion resistance of galvanized steel/passivation composite/ polyurethane paint systems
(Association of Academic Research, 2014-02)
The corrosion performance of electrogalvanised steel sheets pre-treated with a Cr3+ or Cr+6 -based conversion layer and then covered with polyurethane-waterborne topcoat paint has been studied. The pre-treated metallic ...