Effect of Hot Corrosion and Oxidation on Cobalt - Base Superalloys Coated by Aluminum With Presence of Thermal Barrier Zro2 and Mixture of (Nacl) and (Na2so4) Steamsaltsat High Temperatures
Abstract:The aim of the study was to investigate the Mechanisms properties of thermal barrier coatings (TBCs) to enhance of performance evaluation characteristics and develop TBCs.Cobalt –base superalloy has been used as a substrate and zirconium stabilized Aluminum as ceramic topcoat , in addition the study include degradation behavior of system during thermal cycling (3hr per cycle in furnace) the failure of the aluminized was due to thermally grown oxide (TGO) interface. The fractures propagatethrough the inter… Show more
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