Oxidation behavior of Y0.1-doped FeCoNiAlCrB high-entropy alloy
Source abstract
Abstract
The oxidation behavior of the FeCoNiAlCrB and FeCoNiAlCrBY 0.1 alloys was compared by investigating the effects of Y 0.1 addition on the growth rate, microstructure, and chemical composition of the oxide layer. The results showed that the oxidation rate constant of FeCoNiAlCrB HEA at 1000 °C decreased significantly by 2-orders of magnitude from 0.94 × 10 2 μm 2/h to 2.11 × 10 −1 μm 2/h due to the doping of Y 0.1 . The high oxidation rate of FeCoCrAlNiB alloy was mainly attributed to the dissolution of the protective network borides, and the greatly improved oxidation resistance of the Y 0.1-doped alloy could result from the continuously progressive formation of protective dense α-Al 2O 3 layer.
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Research context
OpenAlex topics: High-Temperature Coating Behaviors · High Entropy Alloys Studies · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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