Abstract: “In the present study, La2Zr2O7 was used as a coat for stainless steel alloy. Lanthanum zirconate coat was sprayed using plasma spray technique. The preparation and characterization of La2Zr2O7 coat was studied. Hot corrosion of the coat surface was conducted in (1:1) V2O5 / Na2SO4 molten mixture at 900oC for 50 and 100 h. The results showed that molten mixture of V2O5 / Na2SO4 attacks La2Zr2O7 coat heavily after 100 h. Depending on the nature of molten salt, La2Zr2O7 can considered either a strong basic oxide or strong acidic oxide.”

Keywords: Plasma coating, Lanthanum zirconate, Hot corrosion resistance