Light Metals 2019

<p>Part 1. Alumina & Bauxite.- Roasting Pretreatment- low Temperature Digestion Method for Comprehensive Utilization of High-sulfur Bauxite.- Industrial Experience of Sinter Hydro-chemical Processing at Bogoslovsk Alumina Refinery.- Effect of Sintering Conditions on the Stability of&nbsp; 946-2CaO·SiO₂ in High Sodium Carbonate Solution.- Research on Impurity Removal of Low Grade Bauxite.- Study on the Structure and Generation Mechanism of Intermediate (6AlO-OH) in Decomposition Process of Sodium Aluminate Solutions.- The Properties of Superfine ATH Precipitated by Carbonation Method.- Effect of Organic Impurity on Seed Precipitation in Sodium Aluminate Solution.- Fitness-for-service Assessment and Re-rating of Flawed Alumina Feeding Vessels.- Miniplant Tests of HCl Technology of Alumina Production.- Development and Usage of Detailed Models of Technology at RUSAL Alumina Refineries.- Features of Pseudoboehmite from Alumina Production.- Digital Transformation in Alumina Refining.- Thermodynamics Analysis on Process of Pelletizing Chlorination of Fly Ash.- Research on Alumina Preparation from Aluminium Chloride Solution by Electrolysis Process.- How Digitalization Can Further Improve Plant Performance and Product Quality - Outotec Pretium Advisory Tool for Alumina Calcination.- Expertimental Investigation on Reduction of Cast Iron from Bayer Red Mud and Laterite Nickel.- Analyzing the Bauxite Residue Amendment through the Addition of Ca and Mg Hydroxides Followed by Carbonation.- Comprehensive Utilization of Red Mud: Current Research Status and a Possible Way Forward for Non-hazardous Treatment.- Alumina, Iron and Titanium Extracting from Bauxite Residue with Low Lime Sinter Method.- Developing New Process for Selective Extraction of Rare Earth Elements from Bauxite Residue Based on Functionalized Ionic Liquids.- Effects of Reductive Roasting with Sodium Salts on Leaching Behavior of Non-ferrous Elements in Bauxite Ore Residue.- Specific Features of Scandium Behavior during Sodium Bicarbonate&nbsp; Leaching of Red Mud.- Flotation Separation of Pyrite from Refractory High-sulfur Bauxite.- Research on the Desulfurization of High Sulfur Bauxite.- Research on the Interaction between 1-butyl-2-mercaptobenzimidazole and Pyrite.- Flotation of Low-grade Bauxite Using Modified Humics as Depressant.- Research on the Adsorption of Humic Acid on Pyrite Surface.- Experimental Investigation on Desiliconization of Low-grade Bauxite by Flotation Process.- The Impact of Backwater Iron Ions on Bauxite Flotation.- Part 2. Aluminum Alloys, Processing and Characterization.- Grain Boundary Precipitation and Fracture Behavior of Al-Cu-Li Alloys.- Comparison of Texture and Surface Finish Evolution during Single Point Incremental Forming and Formability Testing of AA 7075.- Understanding the Co-precipitation Mechanisms of Al3(Sc, Zr) with Strengthening Phases in Extruded Al-Cu-Li Model Alloys.- Determining a Retrogression Heat Treatment to Apply during Warm Forming of a High Strength AA7075 Sheet Material.- Development of High-strength and High-electrical-conductivity Aluminum Alloys for Power Transmission Conductors.- The Combined Effects of Sr Additions and Heat Treatment on the Microstructure and Mechanical Properties of High Pressure Die Cast A383 Alloy.- Influence of Additional Elements (Si Ti and B) on the Castability, Corrosion and Mechanical Properties of A201 Alloys.- Effect of Ni Addition on the Solidification Process and Microstructure of Al-12%Si-4%Cu-1.2%Mn-x%Ni Heat-resistant Alloys.- Phase Formation of Monotectic Al-In and Al-Ga-In Alloys and Implications Thereof.- Investigations on Pb-free 6000 Series Aluminum Alloy for Machining Applications.- Optimization in Novel Partial-solid High Pressure Aluminum Die Casting by Taguchi Method.- Application of the Hot Stamping Process to Aluminum Alloy Structural Components.- Failure of 5000 and 6000 Series Aluminum Alloys in Modular Wastewater Treatment Aeration Tanks.- Grain Refinement of Al–Si–Mg Cast Alloys by Al3Ti3B Master Alloy.- Improving Bendability of Al-Mg-Si Alloy Sheet by Minor Alloying Element Addition.- Deep Drawing and Anodizing Quality Improvement in AA3003-O Alloy by Optimization of Homogenization, Rolling and Annealing.- Understanding Large-strain Softening of Aluminum in Shear at Elevated Temperature.- Assessments of Sc-containing Ternary Systems Al-Sc-Ti and Al-Sc-Zr within the Thermodynamic Database for Aluminium Alloys, TCAL5.- Multiscale Model for Al-Li Material Processing Simulation under Forging Conditions.- Investigation of Effect of Aging Treatment on Deformation Behavior of Al-Mg-Si Alloy Using Quasi-2D Polycrystalline Sample.- Development of Innovative Aluminum Alloys with High Mechanical Properties.- A General Formulation of Eutectic Silicon Morphology and Processing History.- Evaluation of Hot Tearing Susceptibility of 6000 Series Aluminum Alloys Using Constrained Solidification Test.- In-situ Fitness-for-Service Assessment of Aluminum Alloys Developed for Automotive Powertrain Lightweighting.- Research on the Effect of the Processing Parameters&nbsp;&nbsp; on Susceptibility of Liquation Cracking of Al Alloys during Refilled Friction Stir Spot Welding.- Factors Influencing the Cast Duration of Horizontal Continuous Ingot Casters.- On Si Redistribution during Friction Stir Processing of Cast Al-7%Si-0.4%Mg Alloys.- Equal Channel Angular Pressing of a Newly Developed Precipitation Hardenable Scandium Containing Aluminum Alloy.- Stiffness Improvement Through Alloying Elements in Al Alloys.- Formation Mechanism of Surface Segregation in Heated Mold Continuous Casting Al–Cu Alloy.- Effects of Extrusion and Heat Treatment Conditions on Microstructure and Mechanical Properties of an Al-Zn-Mg-Cu-Er Alloy.- Effects of Rare Earth Er Additions on Microstructure and Mechanical Properties of an Al-Zn-Mg-Cu Alloy.- Part 3. Aluminum Reduction Technology.- Maximizing Previous Pot Design to Have Higher Capacity.- On the Use of Multivariate Statistical Methods to Detect, Diagnose and Mitigate Abnormal Events in Aluminium Smelters.- Spike Detection Using Advanced Analytics and Data Analysis.- Speed, Agility and Simplicity (SAS) Recovery of Reduction Line-5 in Alba.- Partial Repair and Restart of a Damaged Aluminium Reduction Cell.- Discussion on Alumina Dissolution and Diffusion in Commercial Aluminum Reduction Cell.- Investigation of Alumina Concentration Gradients within Hall-Héroult Electrolytic Bath.- Study of Alumina Dissolution in Cryolitic Bath to the Vertical Soderberg (VSS) Aluminum Production Process.- Impacts of Sodium on Alumina Quality and Consequences for Current Efficiency.- Alucell: A Unique Suite of Models to Optimize Pot Performances and Design.- Anode Bottom Burnout Shape and Velocity Field Investigation in a High Amperage Electrolysis Cell.- CFD Modelling of Alumina Feeding.- Effect of Steel Multi-collector Bars on Current Density and Magnetohydrodynamic Stability in an Aluminum Reduction Cell.- Numerical Simulation Study on Gas Collecting System of 400kA Grade Aluminum Electrolytic Cell.- Study on 3D Full Cell Ledge Shape Calculation and Optimal Design Criteria by Coupled Thermo-flow Model.- The Successful Implementation of Energy Saving Technology Based on Steady Flow and Heat Preservation.- Current Efficiency in Hall-Héroult Cells: The Role of Mass Transfer at the Cathode.- Effects of Current Density on Current Efficiency in Low Temperature Electrolysis with Vertical Electrode Structure.- Relationship between Aluminium Electrolysis Current Efficiency and Operating Condition in Electrolyte Containing High Concentration of Li and K.- Evaluating Effects of Future Shared Mobility and Electrification Trends on Key Intermediate Indicator of Aluminum Transportation Demand: US Vehicle Fleet Size.- Improvement in Smelter Process Analysis through EGA Lab Modernization.- Two-stage Pot Gas Treatment Technology Allowing the Production of Sodium Sulfate.- Improved Abart Gas Treatment and Alumina Handling at the Karmøy Technology Pilot (KTP).- Alternative Roof-vent Emission Monitoring Method.- SPL: An Update.- Bubble Dispersion States in the Zinc Oxide Desulfurization Injection Blow Tank.- Decision Matrix for Pneumatic Conveying and Distribution of Material.- Very Low Energy Consumption Cell Designs: The Cell Heat Balance Challenge.- APXe Cell Technology: 7 Years of Low Energy Operation.- Development and Industrial Application of NEUI600 High Efficiency Aluminum Reduction Cell.- RA-550 Cell Technology: UC RUSAL’s New Stage of Technology Development.- DX+ Ultra Industrial Version: Preheat Start up and Early Operation.- Selecting Technology for Achieving 300,000 T/Year - Why Do We Need to Compete Pot Technology?.- AP44 Development at Alma.- EGA New D20+ Technology with Reduced Energy Consumption.- Potline Start up without Anode Effect Frequency.- Thermo-electrical Modeling of an Aluminum Reduction Cell.- Restarting Electrochemical Cell with a Cold Metal (D18 Cell).- Part 4. Cast Shop Technology.- Root Cause Analysis Findings of a Force 3 Explosion.- Condensation Warning System for Dry Material Storage.- A New Aluminium Crucible Skimmer (ACS) for Smelter Plants – Main Benefits Further to Two Years of Experimentation in Industrial Environment.- Drive-in Feeding of Crucibles for Casting Machine.- In-line Salt Fluxing Process with an FFD^TM Industrial Experience with a Box-Type Degasser.- The "Alcoa Filter System": A Cost Effective Solution for Enhanced CFF Performance.- Continuous Centrifugal Casting: A Revolutionary Process for Casting Aluminium Tubes.- Development of a Prototype Unit for Continuous Centrifugal Casting of Aluminium Tubes.- Constellium’s R&D on the Use of Power Ultrasound in Liquid Aluminum: An Overview.- Molten Metal Cleanliness: Recent Developments to Improve Measurement Reliability.- On-site Benchmark of LiMCA II vs. LiMCA III for Monitoring of Non-metallic Inclusions in Liquid Aluminium.- Discussion of Bi-film Index and LiMCA Data in Industrial Aluminum Remelting Trials.- Inclusion Composition Determination by In-line LIBS Measurement – Plant Assessment.- An Innovative Ultrasonic Technology for the Continuous Quality Monitoring of Liquid Aluminum on Casting Lines.- Ultrasonic Doppler Velocimetry in Liquid Aluminum.- Nitridation Reaction of Aluminum and Magnesium in 5XXX Series Aluminum Alloy.- Experimental Study and Numerical Analysis of Cracking during DC Casting of Large Dimension 7075 Aluminium Billets.- The Benefits of Ultrasonic Treatment of Molten Metal for Slabs Casting at UC RUSAL Facilities.- Effect of Ultrasonic Melt-treatment and Cooling Rate on Microstructure of Multi-phase Reinforced Al Alloy.- XPS Examination of the Oxide-Metal Interface of an Aluminum-Magnesium Alloy Containing Beryllium.- Innovative technology for a flawless rolling slab casting process.- Robustness of Forged Part Mechanical Properties to Casting, Forging and Heat Treating Process Variation.- Analysis of Laser Marking Performance on Various Non-ferrous Metals.- Continuous Casted Aluminum Flat Products Corrosion Characteristic According to Downstream Process.- Controlling the Microstructural Evolution during Soft Annealing of Cold Rolled Twin-roll Cast AlMnMg Alloys by Homogenization Heat Treatment.- Investigation of Elemental Distribution in the Sheet Sections after Aluminum Continuous Sheet Casting, Cold Rolling and Heat Treatment Processes.- Tailoring the Materials Properties with a Holistic Approach From Casting to Back Annealing.- Study of the Effect of the Surface-roughness of Dies and Tooling for HPDC on Soldering.- Electrochemical Characterization of Al-Li-Cu-Mg Alloys.- Shaping the Mechanical Properties of AlSi30 Alloy Cast by Rapid Solidification.- Part 5. Cast Shop Technology: Energy Joint Session.- Productivity and Energy Efficiency Improvements at Two Reverberatory Furnaces at Alcoa, Norway.- The Application of ALTEK Stirring Technology to a 90MT Melting Furnace at ALCOA Moesjen, Norway.- Case Study of Air Cooled Electromagnetic Stirred Melting Furnace at Hydro Henderson.- Efficiency of the Casting Process Starts in the Melt Shop.- Praxair’s OPTIVIEW^TM Image Analysis System for Enhanced Combustion Control on Aluminum Tilting Rotary Furnace.- Aluminum Melting Furnace Pressure Control.- Resource efficiency analysis of high pressure die casting process.- Gas Fired Holding Furnace Modeling for Efficient Operation.- Part 6. Cast Shop Technology: Fundamentals of Aluminum Alloy Solidification Joint Session.- In-situ Study of Solidification Kinetics of Al-Cu and Al-Ce Alloys with Application of Neutron Diffraction.- Quantifying Effects of Grain Refiner Addition on Fe-rich Intermetallics Solidification of Al-Si-Cu Alloys Using In Situ Synchrotron X-ray Tomography.- An Investigation on Si Refinement Mechanism of Hypereutectic Al-Si via Applying Ultrasonic&nbsp; Vibrations.- Observations of Microhardness and Segregation in Al-Zn and Zn-Al Specimens with Columnar-to-Equiaxed Grain Transition.- Impact of Inlet Flow On Macrosegregation Formation Accounting for Grain Motion and Morphology Evolution in DC Casting Of Aluminium.- Effects of Microstructure on Hot Cracking Behavior in Al-Zn-Mg-Cu Alloys.- Effective Nanoparticles Feeding Treatment in Casting of A356/ZrO2 Nano-reinforced Composite.- Part 7. Cast Shop Technology: Recycling and Sustainability Joint Session.- Recycling of Oxide from Dross into Aluminum Electrolysis Cells.- Behavior of Mg-Si-rich Phases in Aluminum Can Sheets and Their Impact on Metal Oxidation during Industrial Thermal Pre-treatment.- Potential for Handheld Analyzer to Address Emerging Positive Material Identification (PMI) Challenges.- Dissipative Use of Critical Metals in the Aluminum&nbsp; Industry.- In-situ Observation of Dross Formation during Melting of Al-Mg Alloy.- The Implementation of a Comprehensive Dross Management Program at Constellium Ravenswood.- Environmental Impacts of Aluminum Dross after Metal Extraction.-Promotion of Separation of Two Phase Liquid Metals by Applying Mechanical Vibration.- Part 8. Electrode Technology Symposium for Aluminum Production.- Influence of Crushing Technology and Particle Shape on the Bulk Density of Anode Grade Petroleum Coke.- Study on the Calcination Performance and Desulfurization Mechanism of Petroleum Cokes with Different Sulfur Contents between 700-1100.- Rotary Hearth Calcining of Petroleum Cokes.- Effects of High-Sulfur Cokes on Physicochemical Properties of Prebaked Anodes in Aluminium Electrolysis.- The Research and Industrial Application of An Improved Impact Cleaning Technology of the Double Anode Butts in Aluminium Electrolysis.- Analysis on the Material Balance Based on the Calcination Characteristics of a Chamber Calciner.- Formation of Aluminium Carbide in Hall-Héroult Electrolysis Cell Environments.- The Research and Trial of the Aluminum Electrolysis Cells with Current Flowing Out from the Bottom.- Laboratory Study of the Impact of CathodeGrade on the Formation of Deposits on the Aluminium Cathode Interface in Hall-Héroult Cells.- Understanding the Anode Porosity as a Means for Improved Aluminium Smelting.- Effect of Changes in Anode Top Cover Composition on Anode Butt Quality.- Inert Anodes – the Blind Alley to Environmental Friendliness?.- Role of the Porosity of Carbon Anodes in the Nucleation and Growth of Gas Bubbles.- Challenges and Successes of Conducting Trials for Anode Design Modification.- Study on Optimization of Anode Structure for Aluminum Reduction Cell.- Effect of Cover Material on the Oxidation Speed of Prebaked Anodes.- Interaction between Anode Aggregate and Binder in the Sessile Drop Wetting Test.- Development and Application of Large-scale Shaft Kilns.- Study on the Property and Desulfurization Mechanisms of Petroleum Cokes with Different Sulfur Contents from 1200 to 280.- The Current Status and Development Trend of the Prebaked Anode Market in China.- Transport of Sodium in TiB2 Materials Investigated by a Laboratory Test and DFT Calculations.- Multi-scale Modelling of TiB2 Degradation Using Crystal Elasticity Model and Density Functional Theory.- Simulation on the Initial Stage of Sodium-Graphite Intercalation Using First Principle Calculation.- Cathode Structure Optimization Research for Aluminum Reduction Cell.- Research on the Penetration of Potassium-based Electrolyte into Dry Barrier Materials.- Development and Application of Electrocalciners with Increased Calcination Temperature.- 3D Transient Modelling of a Complete Fire Line for Anode Baking Furnace Design and Optimization.- A Study of Anode Baking Gas Composition.- Improved Compaction Method for the Production of Large Scale Anode Paste Samples for Thermo-mechanical Characterization.- Systemic Analysis for the Selection of Anode Baking Furnace Refractories.- Numerical Investigation of the Thermomechanical Behaviour of Anode Butt.- Method of Defining the Degree of Impregnation of the Dry Aggregate with Pitch in the Process of Anode Production.- Research and Application for Large Scale, High Efficiency and Energy Saving Baking Furnace Technology.- Opportunities and Challenges Associated to Green Anode Plant Upgrade for Smelter Amperage Creeping.- Part 9. Perfluorocarbon Generation and Emissions from Industrial Processes.- Conditions and Mechanisms of Gas Emissions from Didymium Electrolysis and its Process Control.- Perfluorocarbon Formation during Rare Earth Electrolysis.- PFC Evolution Characteristics during Aluminium and Rare Earth Electrolysis.- Evaluation of Time Consistency when Quantifying Emissions of Perfluorocarbons Resulting from Low Voltage Anode Effects.- Low Voltage PFC Measurements and Potential Alternative to Reduce Them at Alcoa Smelters.- New Approach for Quantification of Perfluorocarbons Resulting from High Voltage Anode Effects.- New Algorithm for Calculating CF4 Emissions from High Voltage Anode Effects.- Validation of Online Monitoring of PFC by QCL with FTIR Spectroscopy.- PFCEmission Reduction in the Semiconductor Industry.- Challenges in estimating global CF4 and C2F6 emissions.- An Estimation of PFC Emission by Rare Earth Electrolysis.- Updated Factors for Calculating PFC Emissions from Primary Aluminum Production.- PFCs from the Chinese Aluminium Sector – Challenges in Emissions Accounting and Further Characteristics.- Part 10. Scandium Extraction and Use in Aluminum Alloys.- Scandium Recovery from the Nyngan Laterite Project in NSW.- Extraction of Scandium from Lateritic Nickel-cobalt Ore Leach Solution by Ion Exchange: A Special Study and Literature Review on Previous Works.- Electrochemical Formation of Alloys of Scandium in Molten Salts.- Direct Method for Producing Scandium Metal and Scandium-aluminium Intermetallic Compounds from the Oxides.- Sc Applications in Aluminum Alloys: Overview of Russian Research in the 20th Century.- Effect of Treatment Parameters on Structure, Mechanical and Corrosion Properties of Al-Mg-Sc Alloy Forgings with ReducedConcentration of Scandium.- Mechanical Properties and Applications of Aluminum Scandium Alloys at Elevated Temperatures.- Scandium-enriched Nano-precipitates in Aluminum Provide Enhanced Coarsening and Creep Resistance.- The Effect of Scandium and Zirconium on the Microstructure, Mechanical Properties and Formability of a Model Al-Cu Alloy.- Influence of the Al3(Sc,Zr) Dispersoids and the Stretching on the Natural Ageing Behavior of a Binary Al-4wt%Cu Alloys.- Design and Processing Conditions of Hypoeutectic Al-Cu-Sc Alloys for Maximum Benefit of Scandium.</p><p></p>