The Oxidation Properties of a NiCrAlY Coating Fabricated by Arc Ion Plating
Source abstract
Abstract
The microstructures, phase compositions, and high-temperature oxidation behavior of a NiCrAlY coating fabricated by arc ion plating were investigated by scanning electron microscopy (SEM), energy dispersive spectrometer (EDS), atomic force microscope (AFM), and X-ray diffractometer (XRD). The results indicate that the NiCrAlY coating was covered by a protective Al2O3 scale with excellent oxidation resistance after oxidation at 1050 °C for 100 h; the β phase rich in Al in the as-deposited coating was transformed into a γ/γ’ phase; the interdiffusion zone (IDZ), secondary reaction zone (SRZ), and needle-like TCP phases were detected in the superalloy substrate beneath the coating.
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Research context
OpenAlex topics: High-Temperature Coating Behaviors · High Entropy Alloys Studies · Metal and Thin Film Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Luoyang Ship Material Research Institute, Luoyang 471023, China
School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
Funding
National Natural Science Foundation of China · Postgraduate Research & Practice Innovation Program of Jiangsu Province
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