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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Powder Materials for Energy Applications
Presentation Title Influence of Powder Microstructure on Cold Spray Deposited Cr Coatings for High Temperature Oxidation Resistance
Author(s) Tyler Dabney, Hwasung Yeom, Greg Johnson, Ben Maier, Mia Lenling, Kumar Sridharan
On-Site Speaker (Planned) Tyler Dabney
Abstract Scope The cold spray deposition process is being developed to deposit oxidation resistant coatings onto Zr-alloy fuel cladding to improve accident tolerance under high temperature accident scenarios. By virtue of the solid-state cold spray process, microstructure and morphology of the feedstock powder are important factors that determine deposition efficiency and the properties of the subsequent coating. Optimization of the powder is necessary to ensure high deposition efficiency and a dense coating. In this work, cold spray was used to deposit Cr coatings onto Zr-alloy substrates using a variety of commercially available Cr powders produced by different methods. Each powder was characterized using nanoindentation, X-ray diffraction, scanning and transmission electron microscopy techniques. The correlation between powder microstructure and subsequent coating microstructure and deposition efficiency is proposed qualitatively. Finally, results from high temperature air oxidation exposure of the coatings will be presented.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Advanced Skutterudite-based Thermoelectric Unicouples by Near Net Shape Powder-based Fabrication for Future Space Power Applications
As-sintered Long Porous Inconel 625 Tubes for Hot Gas Filtration for the Production of High-purity Silicon
Bulk Supercrystalline Nanocomposites with Enhanced Mechanical Properties for Multifunctional Applications
Cold Spray Deposition of 304L Stainless-steel Powder on Used Fuel Dry Cask Storage Systems to Control Potential Stress Corrosion Cracking
Cubic Sub-micron BiFeO3 Powders for Improved Electrical Properties
Effect of Particle Spreading Dynamics on Powder Bed Quality
Energy Concentration Joining of Nuclear-grade SiC/SiC Composites for Next Generation Nuclear Reactors
Fabrication of Complex Shape Components by Spark-plasma Sintering Utilizing 3D-printed Controllable Interface
Fabrication of Uniform-sized Hemispherical Mesopores on Gold-coated Silver Nanocubes for Enzyme Immobilization
Flash Sintering: From Fundamental Science to Energy-saving Materials Processing
Influence of Powder Microstructure on Cold Spray Deposited Cr Coatings for High Temperature Oxidation Resistance
Investigation of the Powder Processing of Near-final Shape AlNiCo Magnets for Eventual Use in Electric Drive Motors
Is Additive Manufacturing a Competition or Complimentary Technology to Current Processing of Metals?
Materials for Nuclear Applications Produced by Powder-based Techniques
Microstructural Evolution of a Nanostructured Ferritic Alloy Composite during In-situ Ion Irradiation
Microstructural Evolution of NFA and Cr3C2@SiC-NFA Composite during Ion Irradiation
Miscibility Gap Alloy Thermal Storage Materials
Next Stage Development of Iron-based GARS Alloy Powders for Cold Spray Deposition of ODS Structural Materials for Extreme Environments
Novel Additive Manufacturing Process Design for U3Si2 Fuel
Peltier Effect during Spark Plasma Sintering of Boron Carbide
Powder Metal Technology for High-performance Materials with Harmonic-structure
Preparation of Zinc Carbonate Hydroxide Microparticles via Deamination Precipitation by Heating
Processing and Characteristics of Nanostructured Ferritic Alloys for Nuclear Reactor Applications
Superelastic Zirconia Powder for Shockwave Dissipation in Energy Infrastructure
Synthesis and Characterization of Lanthana Based ODS Steel for Nuclear Reactor Applications
Synthesis, Sintering, and Electrochemical Properties of Lithium Conducting Garnets from Molten Salt Fluxes for All-Solid-State Lithium Batteries
Toward New Flash and Energy Efficient Fabrication Processes based on Sintering

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