دانلود کتاب Light Metals 2015

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Front Matter....Pages i-xxviii
Front Matter....Pages 1-1
Theory and Practice of Bauxite X-Ray Sorting....Pages 5-10
Roasting Pretreatment of High-Sulfur Bauxite with Low-Median Grade in Chongqing China....Pages 11-14
Improving Characterization of Low Grade Elburz Bauxite to Be Utilized in Jajarm Alumina Plant....Pages 15-20
Bauxite Beneficiation Modifying Factors: A Case Study....Pages 21-25
A Novel Self-Stirring Tubular Reactor Used in Bauxite Digestion Process....Pages 29-34
Study on the Prediction Model of Heat Transfer Coefficient during Tube Digestion....Pages 35-38
Research on Digestion Behavior of Sulfur in High-Sulfur Bauxite....Pages 39-43
The Impact of Sulphate and Carbonate on the Performance of Siliconate-Type Polymers as Inhibitor of Scaling....Pages 45-47
Fuzzy Technology Application in a Bauxite Digestion Unit....Pages 49-53
Research of the Mineral Fouling Composition and Removal Method in Bauxite Digestion Process....Pages 55-58
Synergistic Effect of C12A7 and CA on Alumina Leaching Property Under Low Calcium/Aluminum Ratio....Pages 59-62
CFD Simulations of a Large-Scale Seed Precipitation Tank Stirred with Multiple Intermig Impellers....Pages 65-68
Recovering Waste-Heat and Water from Alumina Calciner Gas....Pages 69-71
Smelter Grade Alumina Quality in 40+ Year Perspective: Where to from Here?....Pages 73-78
Alumina Calcination: A Mature Technology Under Review from Supplier Perspective....Pages 79-84
Numerical Simulation on Carbonation Reactor of Calcified Residue....Pages 85-90
Improved Efficiency of Red Mud Processing through Scandium Oxide Recovery....Pages 93-96
Modern Technologies for Difficult to Filter Substances in Alumina Refinery....Pages 97-101
Bauxite Beneficiation Reject Dewatering and Disposal....Pages 103-106
Complex Additives on the Basis of Red Mud for Intensification of Iron-Ore Sintering and Pelletizing....Pages 107-111
Front Matter....Pages 1-1
Utilization of the Smartdiver to Improve Control of Settlers, Washers and Tailings Thickeners....Pages 113-117
Preparation of Zeolite 4A by Using High-Alumina Coal Fly Ash....Pages 121-126
Study of Filtration and Washing of Residue After HCL Leaching of Kaolin Clay....Pages 127-130
Energy in Alumina Refining: Setting New Limits....Pages 131-136
Sustainability and Alumina Refinery Design....Pages 137-142
Study on the Production of Ceramic Glass from Calcium-Silica Residue....Pages 143-145
Preparation of Pseudo-Boehmite by Using High-Alumina Coal Fly Ash....Pages 147-151
Front Matter....Pages 153-153
The Influence of Microchemistry and Processing Conditions on the Softening Behavior of Cold-Rolled Al-Mn-Fe-Si Alloys....Pages 157-162
Effects of Zr and V Micro-Alloying on Activation Energy during Hot Deformation of 7150 Aluminum Alloys....Pages 163-167
Microstructure Evolution in Al-Mg Alloys during and after Hot Deformation....Pages 169-172
The Effect of Vanadium Addition on Structure and Material Properties of Heat Treated 6XXX Series Aluminium Alloys....Pages 173-178
Mechanical Properties of Al-(8, 10)%Zn-2%Mg-2%Cu Base Alloys Processed with High-Pressure Torsion....Pages 179-182
Influence of Solution Heat Treatment Temperature in the Final Properties of AA6201 Drawn Wire....Pages 183-187
Primary Crystallisation of Intermetallic Compounds in the Al-Ni-Fe-Mn-Si System in Relation to Foundry Alloys Based on an Aluminium-Nickel Eutectic....Pages 189-194
Process Development for Stamping A-Pillar Covers with Aluminum....Pages 197-201
Development of an Accelerated Ageing Test on an Al-Si-Cu-Mg Alloy for Aeronautics....Pages 203-208
Mechanical and Thermal Properties of Rheocast Telecom Component Using Low Silicon Aluminium Alloy in As-Cast and Heat-Treated Conditions....Pages 209-214
Aluminum High Pressure Vacuum Die Casting Applications for the Multi Material Lightweight Vehicle Program (MMLV) Body Structure....Pages 215-221
Warm Forming of AA7075-T6 with Direct Electrical Resistance Heating....Pages 223-227
Influence of Heat Treatment Parameters on the Metallurgical Quality of EN AW 7068 Extruded Bars....Pages 229-235
Front Matter....Pages 153-153
Scrap-Intensive Wrought Aluminum Alloys of Standard Quality....Pages 237-242
Deformation and Failure of an Al-Mg Alloy Investigated Through Multiscale Microstructural Models....Pages 245-249
Load/Displacement and Energy Dissipation Performances of Aluminum and Magnesium Extrusions Subjected to Quasi-Static and Dynamic Loading under Axial Crush and Cutting Deformation Modes....Pages 251-256
Estimation of Heat Transfer Coefficient in Squeeze Casting of Wrought Aluminum Alloy 7075 by the Polynomial Curve Fitting Method....Pages 257-261
Statistical and Thermodynamic Optimization of Trace-Element Modified Al-Mg-Si-Cu Alloys....Pages 265-270
The Influence of Cooling Rate and Alloying Elements on the Microstructure Refinement of Al-5Fe Alloy....Pages 271-275
An Alternative Eutectic System for Casting Aluminum Alloys I. Casting Ability and Tensile Properties....Pages 277-281
An Alternative Eutectic System for Casting Aluminum Alloys II. Modification of the Eutectic Morphology....Pages 283-287
Role of Solidification Conditions in Determining the Microstructure of Al-Si Cast Alloys....Pages 289-296
Microstructure and Tensile Data of a Very Ductile as Cast Al-21%Si-1.5% Ba Hyper-Eutectic Alloys....Pages 297-299
Grain Refinement Behavior of Al-Zn-Si Alloy by Inoculation in Hot-Dip Coating....Pages 301-306
Evaluation of Forming Limit Diagram of Aluminum Alloy 6061-T6 at Ambient Temperature....Pages 309-314
Characterizing and Modeling the Deformation of AA5182 for Hot Blank — Cold Die (HB-CD) Stamping....Pages 315-320
The Portevin-Le Châtelier Effect in a Rheocast Al-Si-Cu Alloy....Pages 321-325
High-Rate Formability of High-Strength Aluminum Alloys: A Study on Objectivity of Measured Strain and Strain Rate....Pages 327-331
The Surface Necking Forming Mechanism in an AA6016 Automotive Sheet during Bending....Pages 333-337
Hydrogen Visualization in the Deformed Microstructure of Al-Zn-Mg Base Alloys....Pages 341-345
Investigation of the Structural Stability of Nanostructured Al-5.7wt.%-Ni Mechanically Alloyed Eutectic Alloy Powders....Pages 347-351
A Comprehensive Study on the Effect of Retrogression and Re-Aging on the Properties of Aluminium Alloy Conforming to AA 7049 Specification....Pages 353-357
Effects of Different Temper and Aging Temperature on the Precipitation Behavior of Al 5xxx Alloy....Pages 361-365
Front Matter....Pages 153-153
Influence of Temperature on Natural Aging Kinetics of AA6061 Modified with Sn....Pages 367-371
Use of Nano-Structured Silanols on the Solidification of Aluminum-Silicon Based Casting Alloys....Pages 375-377
Study on Inhibitors of Copper and Copper-Nickel Alloy in LiBr Solution....Pages 381-385
The Influence of Alloying Additions on Interaction of Aluminum Alloys with Aqueous Media....Pages 387-391
Effect of Titanium on Dross Formation in Hot-Dip 55%Al-Zn-Si-La Bath....Pages 393-396
Nickel Coatings with Submicrometric Hard Ceramic Particles on Aluminum Alloys....Pages 397-401
The Effect of Cooling Rate and Cerium Melt Treatment on Thermal Analysis Parameters and Microstructure of Hypoeutectic Al-Si Alloy....Pages 403-407
Front Matter....Pages 409-409
Prioritizing Water Contaminants’ Impact on Heat Transfer in Casting Aluminum Ingots....Pages 413-418
Optimization of Isothermal Hot Rolling Parameters Using ANSYS and LS-DYNA....Pages 419-421
Direct Flame Impingement: A New Oxy-Fuel Based Technology for Continuous Annealing of Aluminium Strip....Pages 423-425
Aluminum Surface Texturing by Means of Laser Interference Metallurgy....Pages 427-429
Novelis High-Speed can End Coating Line — Operational Results....Pages 431-436
Theoretical and Experimental Studies of a Thermal Regenerator for Heat Recovery in Aluminum Melting Furnaces....Pages 439-443
Strain Analysis during the Symmetric and Asymmetric Rolling of 7075 Al Alloy Sheets....Pages 445-449
Results in Production of an Improved Grain Refinement Practise for 6XXX Extrusion Billets....Pages 451-455
Structural Studies on the Evolution of Texture in Heavily Wire Drawn and Subsequently Annealed Pure Al Metal....Pages 457-461
Use of Vaporizing Foil Actuator for Impact Welding of Aluminum Alloy Sheets with Steel and Magnesium Alloys....Pages 463-468
Microstructure Evolution of AA3003 Aluminum Alloys Enhanced by Zirconium Addition Studied by Electron Microscopy....Pages 469-474
Front Matter....Pages 475-475
Simulation and Measurements on the Flow Field of 600KA Aluminum Reduction Pot....Pages 479-482
CHINALCO 600KA High Capacity Low Energy Consumption Reduction Cell Development....Pages 483-487
Front Matter....Pages 475-475
Development History and Performance of Dubal DX+ Demonstration Cells....Pages 489-494
Arvida Aluminum Smelter — AP60 Technological Center, Start-Up Performance and Development of the Technology....Pages 495-498
From D18 to D18+: Progression of Dubal’s Original Potlines....Pages 499-504
World’s Longest Potline Start-Up at EMAL....Pages 505-510
Technology Research on Aluminum Reduction Cell Pre-Stressed Shell....Pages 511-515
Investment Advantages of the Establishing of Aluminium Clusters....Pages 517-520
Use of the Life Cycle Assessment Methodology to Support Sustainable Aluminum Production and Technology Developments....Pages 523-528
Comparative Analysis of the Environmental Impacts of Aluminum Smelting Technologies....Pages 529-534
Variability Analysis of Total Fluoride Concentrations from Two Reduction Cell Technologies in a Primary Aluminum Smelter....Pages 535-538
Anode Effect Reduction at Nordural — Practical Points....Pages 539-543
Studies on Background PFC Emission in Hall-Héroult Reduction Cells Using Online Anode Current Signals....Pages 545-550
Non Anode Effect PFCS: Measurement Considerations and Potential Impacts....Pages 551-555
Effect of Operational Parameters on the Behavior of Phosphorus and Sulfur in Aluminum Reduction....Pages 559-564
Chemical Characterization and Thermodynamic Investigation of Anode Crust Used in Aluminum Electrolysis Cells....Pages 565-570
Non-Intrusive Freeze Layer Detection Method in an Aluminum Reduction Cell....Pages 571-576
Monitoring Local Alumina Dissolution in Aluminum Reduction Cells Using State Estimation....Pages 577-581
Study on the Dissolution of Alumina in Cryolite Electrolyte Using the See-Through Cell....Pages 583-588
Production of Al-Sc Alloy by Electrolysis of Cryolite-Scandium Oxide Melts....Pages 589-593
Horizontal In-Duct Scrubbing of Sulfur-Dioxide from Flue Gas Exhausts....Pages 597-601
Impact of Potroom Work Practices on Roofline Fluoride Emissions and Wet Scrubber Efficiency....Pages 603-605
Front Matter....Pages 475-475
Mobile Monitoring System for Potroom Roof HF Emissions....Pages 607-611
Impact of Operational Practices and Cell Hooding on Total Fluoride Emissions in the Aluminium Smelter Plant of Aluar....Pages 613-615
Solution to Reduce Fluoride Emissions from Anode Butts....Pages 617-622
Start-Up of the Ozeos Gas Treatment Center (GTC) for RTA AP60....Pages 623-625
Treatment of Gas Emissions in Potrooms....Pages 627-630
Possible Use of 25 MW Thermal Energy Recovered from the Potgas at Alba Line 4....Pages 631-636
Behavior of Powders on the Surface of a Liquid....Pages 639-642
Development of a Mechanized Bath Sampling Method....Pages 643-647
Impact of Variable Bath Chemistry and Wetting on Gas Bubble Flow in Aluminium Electrolysis Cells....Pages 649-654
Study of the Structure and Thermophysical Properties of the Side Ledge in Hall-Héroult Cells Operating with Modified Bath Composition....Pages 655-659
The Performance of Aluminium Electrolysis in Cryolite Based Electrolytes Containing LiF, KF and MgF2....Pages 661-664
Wetting Between Carbon and Cryolitic Melts. Part I: Theory and Equipment....Pages 665-670
Wetting Between Carbon and Cryolitic Melts. Part II: Effect of Bath Properties and Polarisation....Pages 671-676
External Potshell Insulation: A Multi-Usage Tool in Low Power Operation....Pages 679-684
In-Depth Analysis of Lining Designs for Several 420 kA Electrolytic Cells....Pages 685-690
Energy Savings Using a Different Anode Rod Design....Pages 691-694
New ECL Embedded Service Robot: towards an automated, efficient and green smelter....Pages 695-697
An Innovative Pot Ramming Machine....Pages 699-704
Primary Aluminium Production: Is Automation the Key to New Success?....Pages 705-707
Bath Treatment Plant Process and Technology Trends....Pages 709-713
Front Matter....Pages 475-475
Standard Development Work in ISO Technical Committee 226 “Materials for the Production of Primary Aluminium”....Pages 715-720
On-line Monitoring of Individual Anode Currents to Understand and Improve the Process Control at Alouette....Pages 723-728
High Frequency Measurements of Current through Individual Anodes: Some Results from Measurement Campaigns at Hydro....Pages 729-734
Frequency Response Analysis of Electrolysis Cell Voltage Signals during the Alumina Feed Cycles....Pages 735-740
Experiments on Measurement of Online Anode Currents at Anode Beam in Aluminum Reduction Cells....Pages 741-745
Investigation of Cathode & Collector Bar Modification on Thermal Balance of a Low Amperage Cell....Pages 747-752
Trading Current or Resistance for Metal Depth to Maintain Ledge....Pages 753-755
Reduction in Power Consumption at UC RUSAL’s Smelters 2012–2014....Pages 757-762
Aspects of Change Management and Process Management at Some Smelters....Pages 763-768
3D Coupled MHD and Thermo-Electrical Modelling Applied to AP Technology Pots....Pages 771-775
A Model Based Study of Cell Electrical Preheating Practices at DUBAL....Pages 777-782
Mathematical Modelling of Hall-Héroult Pot Instability and Verification by Measurements of Anode Current Distribution....Pages 783-788
Bubble Flow in a Static Magnetic Field....Pages 789-793
The Impact of Bubble-Bubble Interaction on Anodic Gas Release: A Water Model Analysis....Pages 795-800
Observation of Anodic Bubble Behaviors Using Laboratory Scale Transparent Aluminium Electrolysis Cells....Pages 801-806
Impact of Copper Inserts in Collector Bars....Pages 807-812
In-Situ Formation of Slots in Søderberg Anodes....Pages 815-820
Non-linear Stability Analysis of Cells Having Different Types of Cathode Surface Geometry....Pages 821-826
The Influence of Cathode Shape on Current Density and Metal Heave in 300 kA Aluminum Reduction Cell....Pages 827-830
Detailed Model of Electrochemical Cathode Wear in Hall-Héroult Cells....Pages 831-836
Front Matter....Pages 475-475
ELECTROSLAG WELDING (ESW): A New Option for Smelters to Weld Aluminum Bus Bars....Pages 837-842
The Resistibility of Semi-Graphitic Cathode to Alkali Metal (K and Na) Penetration....Pages 843-848
The Status and Development Trends of Carbon Cathode Materials in China....Pages 849-854
Front Matter....Pages 855-855
On Liquid Metal Wetting of Casting Rings for DC Casting....Pages 859-863
Thermal Stress Prediction in AA5182 Rectangular Ingots....Pages 865-870
Macrosegregation during Direct Chill Casting of Aluminum Alloy 7050....Pages 871-875
Experimental Observations of Macrosegregation in DC Casting of Rolling Slab Ingots....Pages 877-882
Development and Demonstration of a Flexible Ingot Mould Filling System....Pages 883-886
Developing a Do-It-Yourself Excel Model of a Reverberatory Side-Well Aluminum Melting Furnace....Pages 889-894
Numerical Modeling of Heat Transfer in a Full Scale Industry Furnace....Pages 895-900
Rotary Flux Injector (RFI): Recent Development Towards an Autonomous Technology....Pages 901-904
Truths and Falsehoods of Molten Metal Explosions in the Aluminium Industry....Pages 905-907
Calculated Aluminum Oxidation Rates during Rotary Furnace Melting Through Flue Gas Analysis....Pages 909-914
CFD Comparison of Immersed Heater and Open Fire Burner Designs for Casting Furnaces....Pages 915-920
Recent Progress with Development of a Multi Stage Filtration System Employing a Cyclone....Pages 923-927
Effect of Electromagnetic Fields on the Priming of High Grade Ceramic Foam Filters (CFF) with Liquid Aluminum....Pages 929-935
Practical Use of the MetalVision Ultrasonic Inclusion Analyzer....Pages 937-942
Ultrasonic Degasing and Processing of Aluminum Part II....Pages 943-948
An Investigation on Permeability of Ceramic Foam Filters (CFF)....Pages 949-954
Assessment of Modification Level in EN AC-46000 Aluminum Casting Alloys Using Thermal Analysis and Microscopic Evaluation....Pages 955-960
Front Matter....Pages 855-855
A New Kind of Al-5Ti-0.3C Master Alloy and Its Refining Performance on 6063 Alloy....Pages 961-964
Study of Particle Settling and Sedimentation in a Crucible Furnace....Pages 967-972
Improvements in LiMCA Technology: Introducing the LiMCA III....Pages 973-978
Molten Metal Treatment Improvements at JW Aluminum Used as a Method to Guarantee Metal Quality....Pages 979-982
The Influence of Melt Charge Materials on Molten Metal Quality at JW Aluminum....Pages 983-986
SiC Particle Detection in Liquid Aluminum via Laser Induced Breakdown Spectroscopy....Pages 987-990
Development of a LiMCA Methodology for the Measurement of Inclusions at Different Depths in Molten Aluminium....Pages 991-996
Deformation of the Aluminum Bath Surface in an Induction Melting Furnace....Pages 999-1004
History and Future of Dross Processing....Pages 1005-1009
Recycling of Aluminum A380 Machining Chips....Pages 1011-1015
Production and Certification of Metallic Certified Reference Materials for the Analysis of Aluminium Alloys....Pages 1017-1022
Recycling of Automotive Wrought Alloys....Pages 1023-1028
Front Matter....Pages 1029-1029
Pilot Anode Testing of Alternative Binder and CPC Raw Materials....Pages 1033-1038
Calcined Petroleum Coke Density Separation Process: Solution to Maintain Anode Quality with Degrading Coke Density....Pages 1039-1044
New Developments of Anode Coke Grinding Using a Vertical Mill Technology....Pages 1045-1048
Effects of Mixing Parameters and Pores of Cokes on Pitch Absorption in Making Carbon Anode Pastes....Pages 1049-1053
Real-Time Measurement of Coke Aggregate Size and Vibrated Bulk Density Using Image Texture Analysis....Pages 1055-1060
Anode Aggregate Bulk Density Determinations Using a Y-Blender....Pages 1061-1065
A Size-Dependent Thermodynamic Model for the Carbon/Hydrogen/Sulfur System in Coke Crystallites: Application to the Production of Pre-Baked Carbon Anodes....Pages 1067-1072
Traceability of Raw Materials in Silos in an Anode Plant....Pages 1073-1078
Front Matter....Pages 1029-1029
A Dynamic Process Model for Predicting the Performance of Horizontal Anode Baking Furnaces....Pages 1081-1086
Environmental and Operating Benefits of a New Fume Treatment System at a Restarted Anode Plant....Pages 1087-1092
Successful Start-Up of Firing Control System at Vlissingen....Pages 1093-1096
Quality Control via Electrical Resistivity Measurement of Industrial Anodes....Pages 1097-1102
Xelios Vibrocompactors Performance and Reliability....Pages 1103-1107
Baking Furnace Rebuild Strategy at DUBAL to Improve Productivity....Pages 1109-1114
Description and Applications of a 3D Mathematical Model for Horizontal Anode Baking Furnaces....Pages 1115-1120
Evaluating the Crack Resistance of Carbon Anodes: Implementation of a Measurement System for Tensile Strength and Fracture Toughness....Pages 1123-1128
Comparison of Linear Multivariable, Partial Least Square Regression, and Artificial Neural Network Analyses to Study the Effect of Different Parameters on Anode Properties....Pages 1129-1134
Factors Influencing Baked Anode Properties....Pages 1135-1140
Spatial Methods for Characterising Carbon Anodes for Aluminium Production....Pages 1141-1146
Air and CO2 Reactivity of Carbon Anode and Its Constituents: An Attempt to Understand Dusting Phenomenon....Pages 1147-1152
Effects of Coke Types and Calcining Levels on the Properties of Bench-Scale Anodes....Pages 1153-1156
Effects of Current Density and Temperature on Anode Carbon Consumption in Aluminum Electrolysis....Pages 1157-1161
Anode Stub 3D Inspection System....Pages 1165-1168
Determination of the Microstructural Creep Properties of Cast Iron Connector at High Temperatures for the Prediction of the Thermo-Mechanical Behavior of Anodic Assemblies....Pages 1169-1173
Development of a New Approach to Increase the Electrical Performance of Anodic Assemblies....Pages 1175-1180
On the Evolution of Steel Stub Thermo-Physical and Thermo-Mechanical Properties during Operational Stage of Anodic Assemblies....Pages 1181-1186
Influence of Partial Substitution of Cu by Various Elements in Cu-Ni-Fe Alloys on Their High-Temperature Oxidation Behavior....Pages 1187-1191
Study on the Bubble Behavior and Anodic Overvoltage of NiFe2O4 Ceramic Based Inert Anodes....Pages 1193-1197
Front Matter....Pages 1029-1029
Application of Grey Relational Analysis for Corrosion Rates of Inert Anodes in Aluminum Electrolysis....Pages 1199-1204
Front Matter....Pages 1205-1205
The Importance of Heat Removal for Productivity in Industrial Twin Roll Casting of Aluminium....Pages 1209-1213
A Single Roll Caster Equipped with a Scraper....Pages 1215-1218
Effect of Casting Parameters on Microstructure, Recrystallization Behaviour and Final Material Properties of Twin-Roll Cast 1050 Alloy....Pages 1219-1223
Comparison of Twin-Roll Casting and High-Temperature Roll Bonding for Steel-Clad Aluminum Strip Production....Pages 1225-1230
Casting of Clad Strip by a Twin Roll Caster....Pages 1231-1234
High Strength Aluminum Alloy Sheets Fabricated by Twin Roll Casting for Automobile Application....Pages 1235-1240
Modelling of the Twin Roll Casting Process Including Friction....Pages 1243-1247
Effect of Cu Addition on the Microstructural Constituents and Mechanical Properties of Twin Roll Cast AlFeMnSi Alloys....Pages 1249-1254
Improvement of Corrosion Resistance in Modified 3003 Aluminum Alloys Produced by Twin Roll Casting under Different Casting Parameters....Pages 1255-1259
Back Matter....Pages 1261-1272