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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Aluminum Alloys, Processing and Characterization
Presentation Title O-3: Hot Deformation Behavior of Al2Ca Modified AA6082 Alloy Using Dynamic Material Model
Author(s) Sangmin Lee, Hyun-Jin Choi, Ji-Woon Lee, Taek-Kyun Jung, Soong-Keun Hyun, Young-OK Yoon, Shae K Kim
On-Site Speaker (Planned) Sangmin Lee
Abstract Scope Hot deformation experiments were carried out on Al2Ca modified AA6082 samples to analyze and establish the relation between the microstructural behavior and control process parameters such as temperature, strain and strain rate. The alloy was deformed by torsion in the temperature range of 623–773K and strain rate range of 0.05–5s-1. Based on the experimental data and dynamic materials model, the processing maps at strain of 0.2 to 3.0 were developed superimposing the instability map over dissipation efficiency map in the temperature and strain rate space. The results showed that the flow stress decreased with increasing deformation temperature, and increased with increasing strain rate. According to processing maps and microstructure observation, the optimum condition for hot working of AA6082 alloy was in range 723-773K and 0.05s-1. Under these favorable conditions uniform and fine grains were obtained by continuous dynamic recrystallization.
Proceedings Inclusion? Planned: Light Metals Volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A High Strength Aluminium Alloy for High Pressure Die Casting
A Study of the Formation Mechanism of Mn Containing Precipitates during Homogenization in a 6xxx Series Aluminum Alloy
Application of Secondary Shear Effects in the Extrusion-Machining Process to Explore Recrystallization Mechanics during Conventional Extrusion of 7050 Aluminum
Characterization and Simulation of Microstructure Evolution of 7075 Aluminium Alloy during Homogenization
Characterization of Intragranular Mg-rich Precipitates Formed in Al 5xxx Alloys Aged at 343 K
Characterization of Near-Net Shape Castable Rare Earth Modified Aluminum Alloy for High Temperature Application
Dissimilar Alloy Aluminum Tailor Welded Blanks
Effect of Ag and Mg Additions on the Nature of Grain Boundary Precipitates and Fracture Behavior of Al-Cu-Li Alloys
Effect of the Shape of Solid Particles on the Distribution of Particles in JIS AC4CH (A356) Aluminum Alloy Semi-solid High Pressure Die Casting
Fatigue Crack Growth in Structural Cast Aluminum Alloys: Microstructural Mechanisms, Modeling Strategies, and Integrated Design
Finite Element and Neutron Diffraction Analysis of Self-piercing Riveting in Dissimilar Metal Sheets
Fusion Weld Joint Properties of Aluminum Base Metal 7020 and Filler Metals 5087, 5556A, and Al-Mg6-Zr
Grain Refinement Mechanism of Aluminum by Al-Ti-B Master Alloys
High Temperature Creep Evolution in Al-Si Alloys Developed for Automotive Powertrain Applications - A Neutron In-situ Study on hkl-plane Creep Response
Important Considerations for Laser Marking an Identifier on Aluminum
Influencing Intergranular Corrosion via Surface Treatment
Investigation of Thick Plate Marine Grade Aluminum Alloys
Large Strain Cyclic Simple Shear Behavior of Aluminum Extrusions: An Experimental and Numerical Study
Large Strain Extrusion Machining on 6013 Aluminum Alloy
Mechanical Characterization and Corrosion Testing of X608 Aluminum Alloy
Microstructure and Phase Evolution in A201 Alloys with Additions of Si
Microstructure Evolution, Tensile Properties, and Thermo-Mechanical Modeling in Wrought and Cast Aluminum Alloys Fabricated by Friction Stir Processing and Welding
New Methodology to Determine Stable Texture Components under Different Strain Paths in fcc Metals
O-2: Effects of Alloying Elements on Microstructure, Mechanical Properties and Formability of Al-Si-Fe-Cu-Mn Based Alloys for Micro-channel Tube of Heat Exchanger
O-3: Hot Deformation Behavior of Al2Ca Modified AA6082 Alloy Using Dynamic Material Model
O-4: Refinement of Primary Silicon Crystals by Novel Al-ZnS Master Alloy in Solidification of Hypereutectic Al-Si Alloys
Observation of Mg Segregation in Aluminum Magnesium Alloys during Cyclic In-situ TEM Heating Experiments
On Microstructures, Textures and Electric Resistivity of Hot Band Annealing of Continuous Casting AA5754 Alloy
On the Effects of Alloying Element Range on the Mechanical Properties of Recycled Aluminium Alloy EN AB-46000
Optimization of Electrical Conductivity and Strength by Grain Refinement in Al-Mg-Si Alloys
Orientation Relationships of Precipitates with the Matrix in an Aluminium Quasicrystalline Alloy
Phase and Thermal Stability Analysis of Al-Fe-V-Si-Y Alloys After Solidification at Intermediate Cooling Rates
Power Law Scaled Hardness of Mn Strengthened Al-Mn Solid Solutions: An Integrated Density Functional Theory and Electron Work Function Study
Precipitation of Al3Zr Dispersoids during Homogenization of Al-Zn-Cu-Mg-Zr Alloys
Producing Nanostructured Aluminum Alloys for Advanced Electrotechnical Application Using Severe Plastic Deformation
Quasi and Dynamic Compression of ECAP Processed AA 6082
Recrystallization in Al-Mg Alloys after Hot Compression
Sensitization Effects on Environmentally Assisted Cracking of Al-Mg Alloys
Sensitization Effects on the Fatigue Crack Growth Behavior of Al-Mg Alloys
Simultaneous Improvement of Mechanical and Corrosion Properties of Aluminum Alloys
Study on Hot Sizing and Creep-ageing Behavior of Al-Cu-Mn Cast Alloy
Synthesis of Al-TiC Nanocomposites by an In-Situ Gas-Liquid Method
The Influence of Low Temperature Clustering on Strengthening Precipitation in Al-Mg-Si Alloys
Universal Modifiers for Al-Si Casting Alloys

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