High temperature oxidation and inter-diffusion behavior of electroplated Ni–Re diffusion barriers between NiCoCrAlY coating and orthorhombic-Ti 2 AlNb alloy
Source abstract
Abstract
Abstract Electroplated Ni–Re film was fabricated as diffusion barrier between NiCoCrAlY coating and orthhombic-Ti 2 AlNb alloy. The plated Ni–Re film was intact, continuously grown and well-bonded with orthhombic-Ti 2 AlNb alloy. The oxidation and inter-diffusion behavior of coatings with and without diffusion barrier were both investigated in isothermal and cyclic oxidation tests at 800 °C. The results indicated that substantial inter-diffusion and rapid oxidation occurred in the coating without diffusion barrier; while deferred inter-diffusion and improved oxidation resistance were observed, and were attributed to the Ni–Re diffusion barrier.
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Research context
OpenAlex topics: Intermetallics and Advanced Alloy Properties · High-Temperature Coating Behaviors · Semiconductor materials and interfaces
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References (31)
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