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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Powder Materials for Energy Applications
Presentation Title Powder Metal Technology for High-performance Materials with Harmonic-structure
Author(s) Dmytro Orlov, Kei Ameyama
On-Site Speaker (Planned) Kei Ameyama
Abstract Scope Powder metal technology provides excellent opportunities for bottom-up architechturing high-performance materials including those for energy applications. One example of such is Harmonic-Structured (HS) materials. They can be defined as Heterogeneous (or Gradient) materials with key features including bi-modal distribution of grain sizes forming a continuous 3D skeleton from ultrafine-grains (UFG) filled with coarse-grain (CG) islands. In this talk, the concept of HS materials will be introduced along with reliable routes for fabrication and advantages in structural performance. The latter include a unique behaviour in elastic-plastic transition as well as in strain localisation. The utilisation of HS material design concept will be demonstrated at least for SUS316L steel, which is a material of choice for many applications in energy sector. Compared to a CG counterpart, harmonic-structured SUS316L steel demonstrates 1.5-times increase in strength along with 1.1x increase in ductility giving 1.5x increase in toughness.
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
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
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
Processing and Characteristics of Nanostructured Ferritic Alloys for Nuclear Reactor Applications
Superelastic Zirconia Powder for Shockwave Dissipation in Energy Infrastructure
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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