Evaluation of oxidation resistant SiC-ZrB2 composite interlayer for plasma sprayed Y2O3 coating over graphite
Source abstract
Abstract
Abstract The SiC-ZrB2 composite interlayer coating is developed by pack cementation over high density graphite (HDG) for the deposition of plasma sprayed yttria (Y2O3) topcoat for U-Zr (Uranium-Zirconium) melting application. The performance of Y2O3 coating with interlayer for enhancing its durability are investigated by performing thermal cycling experiments at 1450 and 1550 °C. The interlayer morphology with infiltrated and diffused coating of SiC with entrapped ZrB2 particles reduces the differential thermal mismatch stresses and offers passive oxidation protection for HDG. The role of composite SiC-ZrB2 interlayer enhancing threefold increase in the life of Y2O3 coating and its mechanisms at high temperature are provided.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · High-Temperature Coating Behaviors · Nuclear Materials and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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