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Meeting MS&T23: Materials Science & Technology
Symposium Advanced Coatings for Wear and Corrosion Protection
Presentation Title Novel Thermal Barrier Coatings Stable up to 1700C
Author(s) Melina A. Endsley, Collin S. Holgate, Akane Suzuki, Joshua L. Margolies, Carlos G. Levi, Tresa M. Pollock
On-Site Speaker (Planned) Melina A. Endsley
Abstract Scope The demand for higher temperature components that can replace superalloys in gas turbines, enabling continued improvements in efficiency, motivates the need for advanced TBCs that can operate at temperatures as high as 1700C, representing 450-500C increments over current systems. In one concept, the proposed structural component is based on RMPEAs, and oxidation protection is provided by an alumina forming bond coat. Hence, the TBC must be thermochemically compatible with alumina at temperatures up to ~1400C and tolerate thermal strains owing to mismatch with the substrate. Novel TBC compositions based on rare-earth stabilized HfO2 or ZrO2 have been synthesized and investigated using diffusion couples, electron microscopy, and dilatometry, and microindentation. While the compositions initially investigated exhibit shortcomings in terms of compatibility with alumina, mitigating strategies using bilayer coatings were implemented and will be discussed. The dilatometry results reveal promising CTEs for the implementation of these TBCs into a larger substrate-coating system.


Benefits of Yttria-doping in Ytterbium Disilicate Environmental Barrier Coatings
Ceramic Coating as a Diffusion Barrier to Prevent Saddle Marks in Continuous Homogenization of Aluminum 6000 Series
Corrosion-Resistant Coatings for Storage Canister
Development and Wear Behaviour of Compositional Gradient and Multi-layered Ni-W Alloy Coatings
Effect of Micro-arc Oxidation Voltage on the Morphology and Electrochemical Properties of AZ31B Magnesium Alloy
Effect of Sustainable Silica-rich Graphene Analogues to Achieve High-Performance Corrosion Resistance Coating for Carbon Steel
Effects of BN Content on the Microstructure and Mechanical Properties of Cr3C2–NiCr-BN Composite Coatings Prepared by a Novel Ethanol-fueled HVOF Process
Highly Robust CeO2/C3N4-modified NiP Electroless-plated Coatings
Improvement of Cutting Performance of Titanium Based Vacuum Brazed Diamond Tools Excursively Coating via Physical Vapor Deposition
J-1: Development of Fusion Bonded Epoxy Coatings on Steel Components for the Improved UV and Corrosion Resistance Performance
J-2: Obtaining Protective Coatings TiAl, TiSi under Conditions of Synthesis of Complex Functionally Active Charges
Novel Thermal Barrier Coatings Stable up to 1700C
Structural Integrity Assessment of Cold Spray Repaired High-Strength Aluminium Alloy 7075 Specimens
Surface Preparation and Process Optimization on Thin Film Coating to Reduce Wafer Warpage for Advanced Packaging Applications in Semiconductor Industry
Sustainable Development of Spray Parameters for Thermal Spray
The dDevelopment of Resistance Seam Cladding for Corrosion Resistant Liners in Linepipe
The Importance of Controlling UV Coating Temperature to Stabilize Viscosity during Application to Reduce Energy Consumption
Tribological and Anti-scaling Performance of Graphene-enriched Thin Polymer Coatings
ZnO-doped C3N4 Nanocapsules-modified NiP Metallic Coating

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