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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology
Presentation Title Structural Integrity Assessment of Pressurized Ladles for Aluminum Smelting
Author(s) Maher Al-Dojayli, Pouya Zangeneh, Alexandre Lamoureux, Daniel Richard, Pierre-Louis Allaire, Hamid Ghorbani
On-Site Speaker (Planned) Maher Al-Dojayli
Abstract Scope Pressurized ladles, being closed, minimize aluminum dross due to oxidization and conserve energy required for ladle preheating. Design of pressurized ladles is not addressed by ladle design standards such as AISC Technical Report No. 9. This paper presents a design-by-analysis methodology for structural integrity assessment of pressurized ladles using finite element analysis and guidelines of ASME Boiler and Pressure Vessel Code. Transient temperatures in the ladle shell during preheating and aluminum charging / discharging are estimated and validated against site measurement data. Thermal loads are then combined with gravity loads (ladle self weight and molten metal charge) and ladle internal pressure at different pressurization, lifting and metal pouring stages. The resultant stresses and deformations in the ladle are compared with the ASME allowable limits against plastic collapse, thermal ratcheting and fatigue failures. This paper demonstrates the robustness of design-by-analysis methodology for integrity assessment of ladles under non-standard conditions.
Proceedings Inclusion? Planned: Light Metals

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Study on DC Casting Trough/ Launder Design and Material Selection
Application and Results of Oxipyr Diluted Combustion in Aluminum Furnaces
Automation and Optimization of Sow Casting in Alouette
Case Study of Magnetically-Stirred Casting Furnaces at New Zealand Aluminium Smelters Limited
Circulation of Grains during Ingot Casting
Critical Role of Thermal Management during Cast Start-up of DC Casting Process
Effect of Grain Refiners on Aluminum Twin Roll Casting Process
Effect of Magnesium Content on Microstructure and Mechanical Properties of Twin-Roll Cast Aluminum Alloys
Effect of Ultrasonic Processing on a Direct Chill Cast AA6082 Aluminium Alloy
Energy Efficiency Status-quo of UK Foundries: The “Small-Is-Beautiful” Project
Full Size Measurement and Simple Prediction on Macro Segregation of Aluminum Alloys Elements in Industrial DC Casting Slab
Grain Refiner Settlement in the Launder System of Twin Roll Casting and Application of Electromagnetic Stirring
Have Recent Advances in Direct Chill Casting Made Us Less Safe?
Influence of Process Conditions on Segregation Behavior in Twin-Roll Casting of an AlFeSi Alloy
Influence of Sticking on the Roll Topography at Twin-roll Casting of Aluminum Alloys
Material Surface Roughness Change in Twin Roll Casting of Aluminium as Cast Sheet Product
Minimization of Macrosegregation through Jet Erosion of a Continuously Cast Ingot
Modelling and Analysis of a Horizontal Direct Chill Casting Process
Multi-Component High Pressure Die Casting (M-HPDC): Influencing Factors on the Material Temperature during the Joining of Metal-plastic-hybrids
Operational and Economic Impact of Super Vacuum Die Casting Technologies
Optimization of Recovery Efficiency for Briquetted Aluminum Chips up to Briquetting Parameters
Overpressure Due to a Molten Aluminum and Water Explosion in a Casthouse
Peritectic Coupled Growth Solidification - A Review
Radio Frequency Identification (RFID) Technology for the Aluminum Industry
Semi Finished Products Traceability Improvement with Laser Marking
Sequential Gravity Casting in Functionally Graded Aluminum Alloys Development
Shear Induced Grain Refinement of a Continuously Cast Ingot
Structural Integrity Assessment of Pressurized Ladles for Aluminum Smelting
The Evaluation of Hot Dross Processing Systems
Twin-roll Casting of Aluminum-steel Clad Strips: Static and Dynamic Mechanical Properties of the Composite
Ultrasonic Assisted Reduction of Hot-tearing during High-speed DC Casting of 6000 Series Aluminum Alloys
X-Ray Computed Tomographic Investigation of High Pressure Die Castings

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