Corrosion behavior of Fe3 Al intermetallics with addition of lithium, cerium and nickel in 2.5% SO2+N2 at 900 °C - Luna-Ramirez, A.; Porcayo-Calderon, J.; Martínez-Villafane, A.; González-Rodríguez, J. G.; Chacón-Nava, J. G.