Oxidation behavior of Ni-Al coating with and without a Ni-Re diffusion barrier in dry CO2 gas at 650 ºC
Source abstract
Abstract
Abstract An electroplated interlayer of Ni-Re was prepared as a diffusion barrier to inhibit interdiffusion between Ni-Al coating and an iron alloy substrate. The oxidation behavior of the Ni-Al coating with and without the diffusion barrier was studied at 650 °C in dry CO2 gas for up to 660 h. The Ni-Al coating without a diffusion barrier underwent severe inner oxidation in the front of the rather thick diffusion zone (DZ) during exposure, while only slight inner oxidation was found in the Ni-Al/Ni-Re coating. The superior performance of the Ni-Al/Ni-Re coating is ascribed to its much better resistance to inner oxidation.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: High-Temperature Coating Behaviors · Intermetallics and Advanced Alloy Properties · Catalytic Processes in Materials Science
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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