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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Bulk Processing of Nanostructured Powders and Nanopowders by Consolidation
Presentation Title Spark Plasma Sintering of Nanostructured AA5083 Powder with Varying Cryomilling Duration
Author(s) Frank Kellogg, Benjamin Boesl, Clara Hofmeister, Anit Giri, Yongho Sohn, Kyu Cho, Brandon McWilliams
On-Site Speaker (Planned) Frank Kellogg
Abstract Scope Spark Plasma Sintering (SPS) is being considered as a potential consolidation technique for cryomilled nanostructured AA5083 powders. An advantage of SPS over other powder consolidation techniques is that it applies heat by passing an electrical current through a powder providing rapid heating and cooling rates that can lead to fully sintered parts without compromising the nanostructure of the powder. SPS was applied to nanocrystalline AA5083 powders cryomilled for various times to explore the influence of cryomilling time on the consolidation. SPS was conducted at various temperatures from 250 - 500C to determine the effect of process temperature on the microstructure and density of the sintered part. The density was measured using the Archimedes and helium pycnometry methods. X-ray diffraction was used to analyze grain size and phase analysis. The distribution of secondary phases was investigated using scanning electron microscopy. Microhardness testing was used to estimate the mechanical properties.
Proceedings Inclusion? Planned: A print-only volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Achieving Good Mechanical Properties and High Thermal Stability with Ultrafine Grained Cu-5at%Zr Alloy Synthesized by High Energy Mechanical Milling and Spark Plasma Sintering
Atomistic Simulation of Sintering of Nanopowders in Direct Metal Laser Sintering Process
Bulk Processing of Nanostructured Advanced Materials
Bulk Processing of Nanostructured Powders for Functional Materials with Hierarchical Structure Inspired by Natural Species
Controllable Preparation of Nickel Nanoparticles by Arc Discharge Method
Dynamic Cu Grain Growth of Mechanically Milled Nanostructured Cu-5vol.%Al2O3 Powder Particles during Hot Extrusion
Fabrication of Titanium with a Novel Duplex Microstructure and High Strength
Fracturing Mechanism of Carbon Nanotubes Reinforced Aluminum Matrix Composites
High Strength Mg-Alloys via Powder Metallurgy: Current Results and Future Opportunities
Mechanical Properties of Nano-carbon Reinforced Al-based Composites
Microstructures and Mechanical Properties of Ultrafine Grained Al-7Si-0.3Mg Alloy Produced by Thermomechanical Consolidation of a Milled Powder
Modified Strain Rate Regime in Consolidated Ultrafine Copper Powders with Silver Micro-alloying
Nano-duplex Alloys: a Family of Stable Nanocrystalline Materials Amenable to Rapid Sintering
Nanocrystalline Alumina Processing for High Pressure Sintering
Nanocrystalline Ti-Mg Alloys Prepared by Mechanical Alloying and Spark Plasma Sintering
Precipitation Behavior of UFG Al6063-5vol%SiC Nanocomposites
Processing of Steel-magnesium Composites by Compaction of Mg Powders through Severe Plastic Deformation
Progress Towards Development of Nanostructured Magnesium Alloys and Composites: Understanding of Magnesium Strengthening by Solid Solutioning and Grain Size Reduction
Shock Wave Consolidation of Hierarchical Copper Powders Consisting of Nano/Ultrafine Particles and Micro Agglomerates, and the Mechanical Properties of Synthesized Bulk
Spark Plasma Heat Treated Coarse- and Nano-powder ZrB2-SiC and HfB2-SiC Composites
Spark Plasma Sintering of Nano-Crystalline High Surface Systems
Spark Plasma Sintering of Nanostructured AA5083 Powder with Varying Cryomilling Duration
Spark Plasma Sintering (SPS) vs. Hot Isostatic Pressing (HIP) of Nanostructured Aluminum Alloy Powders
Structural and Magnetic Properties of MnBi Extrudates
Surface Energetics Studies of Nanomaterials
Synthesis and Consolidation of Nanocrystalline Fe-10Cr-3Al Alloy Powder
Synthesis and Morphology Characterization of Nanocrystalline ZnO Powder Fabricated by a Green Low Temperature Route
Synthesis of Porous Boron Nitride Nanosheets with High Pore Volume
Synthesis of Quasi-Nano-sized Ni-Zn-X-Ferrites (Gd, Cu, Mg) by Using Combustion Synthesis and Improvement of Purity by Wet Process
The Effect of Er on Grain Growth in Cryomilled Al-Mg-Er Powders
The Influence of Heat Treatment Temperatue on the Bulk Cu-Al/B4C Prepared by Spark Plasma Sintering
The Key Issues in Fabrication of Ultrafine Structured Metallic Materials and Metal Matrix Nanocomposites by Thermomechanical Consolidation of Nanostructured Powders
TiO2-CeO2Nano Crystalline Powders and Thin Films by an Aqueous Sol-Gel Process: Effect of Ce:Ti Molar Ratio on Microstructure and Physical Properties
Tri-modal Composites: A Review
Two-Stage Sintering of Nano-sized Yttria Stabilized Zirconia with Polymer Sphere Generated Porosity

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