High temperature oxidation behavior of Cu-Ni-Al alloy: The role of microstructural evolution via experimental and thermodynamic investigations
Source abstract
Abstract
The microstructure-induced high-temperature oxidation behavior of Cu-10Ni-3Al (wt%) at 800 ℃ was studied through experimental methods and CALPHAD modeling. In this study, a comparative oxidation study of as-cast, homogenized and aging Cu-Ni-Al alloys is presented to reveal the role of microstructural evolution (solute segregation, distribution and concentration) on the oxidation behavior at high temperature. The results showed that the addition of solute Al in Cu-Ni alloys could promote the formation of dense Al 2NiO 4 and Al 2O 3 oxide layers and improve the oxidation resistance of the Cu alloy. The homogenized alloy demonstrates significantly higher oxidation resistance than the as-cast and aging alloys.
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Research context
OpenAlex topics: High-Temperature Coating Behaviors · Aluminum Alloys Composites Properties · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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