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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Cast Shop Technology
Presentation Title Hydrogen Absorption of Aluminum-magnesium Melts from Humid Atmospheres
Author(s) Stefan Tichy, Philip Pucher, Bernd Prillhofer, Stefan Wibner, Helmut Antrekowitsch
On-Site Speaker (Planned) Stefan Tichy
Abstract Scope In casthouses, water vapor has long been considered a source of high hydrogen contents in aluminum melts. Moisture levels are usually highest in melting and holding furnaces, where H2O contents of up to 18 vol.% occur due to the combustion of natural gas with air. In the case of oxyfuel burners, contents of even more than 60 vol.% are theoretically possible. To avoid defects such as annealing bubbles or grain porosity in the subsequent production steps, the absorbed hydrogen must be reduced to a minimum by degassing treatments. To gain a better understanding of the interaction between liquid aluminum and water vapor, the hydrogen absorption of aluminum-magnesium melts under atmospheres with varying water vapor contents of 0-90 vol.% at around 700 °C (1300 °F) is investigated in this work. Furthermore, the influence of H2O on the oxidation behavior is also examined.
Proceedings Inclusion? Planned: Light Metals
Keywords Aluminum, Other, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Cellular Automaton Model for Qualifying Current Grain Refiners and Prescribing Next-generation Grain Refiners for Aluminium Alloys
A Novel Green Melt Technology for Aluminum Alloys
Assessment of Separation and Agglomeration Tendency of Non-metallic Inclusions in an Electromagnetically Stirred Aluminum Melt
Automated Image Analysis of Metallurgical Grade Samples Reinforced with Machine Learning
Automated Metal Cleanliness Analyzer (AMCA): Digital Image Analysis Phase Differentiation and Benchmarking Against PoDFA-derived Cleanliness Data
CFD Modeling of Thin Sheet Product Using The Horizontal Single Belt Casting Method
Characterization of 8006 Aluminium Alloy Casted by TRC Technology with Steel-steel and Copper-copper Roll Pairs
Characterization of Low- and High Mg-containing Aluminum White Dross Using Deterministic Image Analysis of EPMA Scans
Counter Gravity Casting of Al Alloys: Microstructure and Properties
Defect Minimisation in Vacuum Assisted Plaster Mould Investment Casting through Simulation of High Value Aluminium Alloy Components
Designing a Safe Casthouse
Electromagnetic Priming of Filtration Systems: Pyrotek EM-DF
Hydrogen Absorption of Aluminum-magnesium Melts from Humid Atmospheres
Influence of Cryolite Content on the Thermal Properties and Coalescence Efficiency of NaCl-KCl Salt Flux
MagPump
Microalloying of Liquid Al-Mg Alloy Studied In-situ by Laser-induced Breakdown Spectroscopy
Modelling Contactless Ultrasound Treatment in a DC Casting Launder
Novel Methods for Roll Texturing: EDT and Sandblast Applications for Aluminum Twin Roll Cast and Cold Rolling
Numerical Analysis of Channel-type Segregations in DC Casting Aluminum Slab
Numerical and Experimental Investigation of Twin-roll Casting of Aluminum-lithium Strips
Operations Assisting and Predictive Maintenance Tools in Casthouses – Examples from AMAG Casting
Oxidation Study of Al-Mg Alloys in Furnace Atmospheres Using Hydrogen and Methane as Fuel
Recent Studies Using HR-TEM on the Fundamental Mechanism of Nucleation of α Aluminium on TiB2 in High Efficiency Grain Refiners
Recycling of Aluminium from Aluminium Food Tubes
Segregation Mechanisms and Their Effects on the Aluminium Flat Rolled Products (Sheet/Foil) Produced by Twin Roll Casting Tech
Stability of SiC and Al2O3 Reinforcement Particles in Thermomechanical Processed Direct Chill Cast 6xxx Al MMnCs
Tailoring the As-cast Microstructure of Twin-roll Cast AA3105 Alloy Produced by St/Cu Shell Pair
Towards the Efficient Recycling of Used Beverage Cans: Numerical Study and Experimental Validation
TRC Combi Box - A Compact Inline Melt Treatment Unit for Continuous Casting

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