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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Advances in Powder and Ceramic Materials Science
Presentation Title Effects of Yttria Content and Atmosphere on Structural Evolution of Highly Porous Yttria-stabilized Zirconia Aerogels
Author(s) Nathaniel S. Olson, Frances I Hurwitz, Haiquan Guo, Jessica A Krogstad
On-Site Speaker (Planned) Nathaniel S. Olson
Abstract Scope Aerogels demonstrate extraordinarily low thermal conductivity and low density, presenting a promising form of lightweight insulation for aerospace applications. The primary challenge is stabilization of the highly porous structure at temperatures to 1200 °C. Upon collapse of the pore structure, the favorable thermal properties and low density are diminished. Yttria-stabilized zirconia (YSZ) aerogels are synthesized to investigate the effect of composition on morphology, phase behavior, and thermal stability (specific surface area, pore size distribution). This work demonstrates the improvement in thermal stability of zirconia aerogels with increased yttria content. Furthermore, changes in structure and surface chemistry of YSZ aerogels are studied in both oxidizing and inert atmospheres. With an improved understanding of aerogel structure and performance, metal oxide aerogels can be developed to withstand the extreme environments of space exploration.
Proceedings Inclusion? Planned:
Keywords Ceramics, High-Temperature Materials, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

An Analysis on the Factors Affecting Oxidation Resistance of Silicon Containing Ultra High Temperature Borides Ceramics
Apatite Formation Ability of Ca2MgSi2O7 Bioceramic
Biodegradability and Bioactivity of Porous Hydroxyapatite-PCL-hardystonite for Using in Bone Tissue Engineering Application
Bulk High-entropy Nitrides and Carbonitrides
Chemical Etch/Modification Effect on CO Oxidation Performance of Ceria Supported Catalysts
Diamond Graphitization and Its Effect on Hardness of Diamond Particulate Ceramic Composites
Dielectrophoretic Control of Ceramic Particles for Fabrication of Ice-templated Structures
Discovery of Novel High-entropy Ceramics via Machine Learning
Effect of Diamond Content and Modality on the Densification of Diamond Particulate Ceramic Composites by Hot-pressing
Effects of Yttria Content and Atmosphere on Structural Evolution of Highly Porous Yttria-stabilized Zirconia Aerogels
Elucidating the Influence of the Thermodynamics, Kinetics, and Chemistries of Molten Salts to Synthesize Ceramics for Energy Applications
Flash Sintering of Gadolinium-doped Ceria: Densification and Microstructure
Layered Ceramic Structures In1+x(Ti1/2Zn1/2)1-xO3(ZnO)m (m = 2, 4, and 6; x = 0.5): Synthesis, Phase Stability and Dielectric Properties
Low-cost Forming and Reactive Melt Infiltration Processing of High-temperature, Thermally-cyclable Carbide/Metal Composites in Complex, Near Net Shapes for Renewable Energy Applications
Mineralogical Characteristics of Sepiolite under Thermal Treatment
New Insights into Sintering Processing for Solid State Electrolytes – A Phase-Field Simulation Study
Processing of TiB2-TiC Based Materials with Fine Microstructure and Improved Mechanical Properties
Structural Integrity of Complex Oxide Scales for Improved Oxidation Resistance of Ultra-high Temperature Ceramics
Synthesis of Willemite Bioceramic by Mechanochemical Procedure
Understanding the Role of Electric Field in the Manipulation of Particles in Aqueous Media and Fabrication of Ice-templated Ceramics

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