Microstructure of a Rene 80 nickel allaoy blade from the 1st stage HP section of a gas turbine. The blade suffered hot corrosion from exposure to molten sodium sulfate. The exfoliated, porous O.D. scale can be seen at the top of the photograph with sulfide particles in the white layer underneath. The base metal contains unresolved brown gamma prime particles in the nickel alloy matrix. Electrolytic CrO3, 400 X.
If you have questions or need our depth of experience to help with your issues...
Call us: 281-556-8774
Email us: email@example.com
View all articles
covering updates on corrosion