Effect of Pt on the microstructure and oxidation behavior of NiCrAlYSi+AlY coating on a Ni-based superalloy
Source abstract
Abstract
Abstract The NiCrAlYSi+Al, NiCrAlYSi+AlY and Pt modified NiCrAlYSi+AlY coatings were produced by combining arc ion plating, electroplating Pt and annealing treatment. Isothermal oxidation and cyclic oxidation behaviors of all coatings were investigated. The Pt modified NiCrAlYSi+AlY coating showed the best oxidation resistance because the Pt addition decreased the oxidation rate and Al consumption in the coating. The “oxide pegs” were observed at the interface between oxide scale and Pt modified NiCrAlYSi+AlY coating after cyclic oxidation. The formation mechanism of coating and the effects of Pt and Y addition on the oxidation performance of coating were discussed.
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Research context
OpenAlex topics: High-Temperature Coating Behaviors · Intermetallics and Advanced Alloy Properties · High Entropy Alloys Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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