TY - JOUR T1 - Influence of the Treatment Time on the Surface Chemistry and Corrosion Behavior of Cerium-Based Conversion Coatings on the AZ91D Magnesium Alloy JO - Materials Research A1 - Ribeiro, Eloana PatrĂ­cia A1 - Couto, Antonio Augusto A1 - Oliveira, Leandro Antonio de A1 - Antunes, Renato Altobelli SN - 1516-1439 UL - 10.1590/1980-5373-MR-2018-0862 VL - 22 Y1 - 2019 PB - Brasil ER -