Abstract
The present work mainly focuses on the behaviour of bare and coated nickel super alloy Superni-76 with respect to hot corrosion when subjected to a high temperature of 900 °C in Na2SO4-60%V2O5 molten salt environment. The current study is conducted to create and analyse the behaviour of samples under simulated conditions that the construction materials bear while working under actual medical waste Incineration operation. The complete study was conducted for 50 cycles and both the samples, bare and coated, got weighted after each cycle to obtain the corrosion study by thermogravimetric technique. The scanning electron microscopy (SEM) and X-ray diffraction (XRD) was utilised to analyse the surface morphology of the samples. The coated sample showed good results as compared to uncoated samples. The material spallation clearly defines the corrosion occurrence in uncoated sample with high levels of corrosion exposure.
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