Cyclic oxidation behavior of palladium-modified aluminide coating
Source abstract
Abstract
(Ni,Pd)AI coating prepared by low-pressure pack cementation on the nickel-base superalloy IN738 predeposited Pd-20 wt.% Ni alloy, and their cyclic oxidation behavior was investigated by TGA, XRD, SEM/EDS and optical microscopy at 1050 degreesC. The C (Ni,Pd)AI coatings show better cyclic oxidation resistance than simple aluminide coatings compared from the cyclic oxidation kinetics and the microstructure degradation of the two types of coatings. Palladium plays a significant role in alumina stabilization and in delaying the degradation of beta-phase. (C) 2002 Elsevier Science B.V. All rights reserved.
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Research context
OpenAlex topics: High-Temperature Coating Behaviors · Catalytic Processes in Materials Science · Intermetallics and Advanced Alloy Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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