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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Aluminum Alloys, Characterization and Processing
Presentation Title Comparison of TiB2 and TiC Grain Refiners’ Impact on Surface Quality, Edge Cracking, and Rolling Performance of AA5182 DC-Cast Ingot
Author(s) Joshua G. Lawalin, Pascal Gauthier, Tao Wang
On-Site Speaker (Planned) Joshua G. Lawalin
Abstract Scope Titanium diboride (TiB2) and titanium carbide (TiC) are both widely used as grain refiners in the production of DC-cast aluminum ingot for rolled products. This study evaluated industrially produced DC-cast aluminum ingot of alloy AA5182 with TiB2 and TiC and the grain refiners’ impact on ingot surface condition, as-cast microstructure, rolling performance, grain size distribution, as well as final product mechanical properties. Through optical microscopy and SEM-EDS metallographic examination of the sheet post-hot rolling, the study found that the use of TiC grain refiner resulted in fewer surface stress risers resulting in improved surface quality, rollability, and edge cracking performance of AA5182, as well as an improved grain size uniformity and less grain refiner agglomeration versus the same alloy cast with TiB2 grain refiner.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum, Process Technology,

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Compatibility Study of Polymeric Binders for Aluminum Binder Jet Parts
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E-37: Microstructural Evolution, Mechanical Properties and Faster Aging Kinetics in Friction Extruded AA6061 and AA7075 Alloys
E-3: Correlation between the Precipitation Phase and Mechanical Properties of Al-Mg-Si(-Cu) Based Aluminum Alloy Sheets According to the Change in Mg Content
E-4: Depth Dependent Microstructure and Mechanical Properties of Hot Rolled AA 7075 - T651
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Effect of Eu and Er on Mechanical Properties of 201 and 206 Alloys
Effect of Iron and Manganese Content on Microstructure and Mechanical Properties of AlSi11 Alloy in Wheels Produced by LPDC-process
Effects of Aging Conditions on Fracture Characteristics of Al-Mg-Si Alloys
Effects of the Friction Stir Welding Sliding and Sticking Mechanisms on the Microhardness, Texture, and Element Concentration
Evaluating the Earing Amount of Materials Under Various Chemical Composition and Heat Treatment Process with Finite Element Simulations of Cup Drawing Tests
Evaluation of EN AW 3003 Aluminium Alloy Homogenization with Specific Electrical Resistivity Measurement
Experimental Investigation of the Effect of High Temperature Shot Peening on the Surface Integrity of 7010-T7452 Aluminum Alloy
Exploring Semi-solid Deformation of Al-Cu Alloys by a Quantitative Comparison between Drained Die Compression Experiments and 3D Discrete Element Method Simulations
Fabrication of Bright-rolled Aluminum Suitable for Design Elements in the Automotive Industry
Fluidity and Microstructural Analysis of Al-Ni Alloys with Varied Ni Concentrations
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High Temperature Deformation Analysis of A1-12Ce Alloy
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Improving the Mechanical Properties of Cast Aluminum via Ultrasonication-induced Microstructural Refinement
Influence of Increased Cu and Fe Concentrations on the Mechanical Properties of the EN AB-42100 (AlSi7Mg0.3) Aluminum Alloy
Innovative Approaches in Development of Aluminium Alloys for Packaging Industry
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Microhardness Analysis of Directionally Solidified Al-Si Alloys
Microstructural Changes on the Al−Cu−Si Ternary Eutectic Alloy with Different Cooling Rates
Microstructure and Mechanical Properties of an Al-Mn-Si Alloy Microalloyed with Post Transition Metals
Nanoparticle-enhanced Arc Welding of Aluminum Alloys
Phase Equilibria in Al-Fe Alloys
Quality Assessment and Features of Microdrilled Holes in Aluminum Alloy Using Ultrafast Laser
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Solutionization via Severe Plastic Deformation: Effect on Natural Aging in an Al-Mg-Si-(Mn) Alloy
Surface Characterization Methods to Evaluate Adhesive Bonding Performance of 6xxx Automotive Alloys
The Effect of Octagonal Ingot Shape on AA6xxx Hot Rolling Performance
The Influence of Crystallographic Texture Gradients on the Deformation Response of Aluminum Extrusions
The Low-carbon Production of Wrought Aluminum Alloys based on Post-consumer Scrap
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The Role of Ti and B Additions in Grain Refinement of Al-Mn Alloy during Laser Additive Manufacturing

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