Fabrication and characterization of YSZ/Al2O3 nano-composite coatings on Inconel by electrophoretic deposition
Source abstract
Abstract
Nano-structured yttria stabilized zirconia (YSZ)/Al2O3nano-composite coatings were prepared by electrophoretic deposition (EPD) in acetyl-acetone/ethanol solvents under the constant voltage of 40 V. High sintering temperature may damage the metal parts and also lead to high production costs. To overcome the disadvantages of high sintering temperatures, reaction bonding of Al was taken as the approach. It was found that a powder mixture of Al and YSZ can lower the sintering temperature. YSZ/Al green composites were deposited on the MCrAlY layer applied on Inconel alloy cathode. Iodine was added to the solutions as the stabilizing agent. According to differential thermal analysis (DTA) results, embedded Al particles oxidation started at 660 °C. Sintering process for YSZ/Al2O3nano-composite coating occurred at 1150 °C for 4 h. A lower pinholes coating with the highest density due to the constraint of the substrate was obtained.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electrophoretic Deposition in Materials Science · TiO2 Photocatalysis and Solar Cells · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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