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Meeting Materials Science & Technology 2020
Symposium Synthesis, Characterization, Modeling and Applications of Functional Porous Materials
Presentation Title The Influence of Yttria Content and Synthetic Parameters on the Thermal Stability of Yttria-stabilized Zirconia Aerogels
Author(s) Nathaniel S. Olson, Frances I. Hurwitz, Haiquan Guo, Richard B. Rogers, 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. To develop insight on the influence of structure on thermal stability, the effects of water content and solids loading are studied and aid in elucidation of the mechanism by which yttria stabilizes the pore structure. 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? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

An Overview of High-temperature Ceramic-carbonate Dual-phase Membranes for CO2 Capture and Conversion
Compositional Influence on Kirkendall Pore Formation during Fabrication of Gamma Prime Strengthened Superalloy Microtubes
Crystallinity Effect on Mesoporous TiO2 Nanoparticle Negative Electrode Material for Metal Ion Batteries
Density Functional Theory Study of the Porous Metal-organic Framework Material Ni-Bpy-Me
Designing Multi-phase Reaction Pathways for CO2 Capture and Enhanced H2 Production from Ca- and Mg-bearing Precursors to Produce Stable Porous Carbonates Using Cross-scale X-ray Scattering Measurements
Development of Nanostructured Vycor Glass Microspheres for Doxorubicin Administration
Experimental Thermodynamics of Zeolites and Metal-organic Frameworks
Hierarchical Porosity in δ-MnO2 Nanosheet Assemblies via Layer-tunnel Conversion
Highly Controlled and Steerable Porosity for Ceramic Structures via Freeze Casting
Introductory Comments: Synthesis, Characterization, Modeling and Applications of Functional Porous Materials
Low/Intermediate Temperature Polysiloxane Derived Ceramics with Increased Carbon for Electrical Applications
Luminescent Metal-organic Framework-Based Sensors of Rare Earth Elements in Aqueous Streams
Porous Crystalline Porphyrinic Structures for Functional Materials Applications
Porous Organic Cage Composite Membranes for Post-combustion CO2 Separation
Surface Modified ScSZ-MC Dual-phase Membrane for Pre-combustion CO2 Capture
Synchrotron Structure and Sorption Properties of a Metal Organic Framework Compound Ni(3-methyl-4,4’-bipyridine)[Ni(CN)4] for CO2 Mitigation Application
The Influence of Yttria Content and Synthetic Parameters on the Thermal Stability of Yttria-stabilized Zirconia Aerogels
Thermodynamics of Naturally Occurring 2D and 3D Mineral Hosts: Zeolites, Layered Double Hydroxides and Clays

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