About this Abstract |
Meeting |
2025 TMS Annual Meeting & Exhibition
|
Symposium
|
Melt Processing, Casting and Recycling
|
Presentation Title |
Oxidation of aluminium melts in dry and moist atmospheres |
Author(s) |
Halvor Dalaker, Martin Syvertsen |
On-Site Speaker (Planned) |
Halvor Dalaker |
Abstract Scope |
Substituting low-emissions hydrogen for fossil fuels such as LNG and LPG would significantly reduce the climate impact of aluminium casting. Such a fuel-switch would also change the combustion products, eliminating CO2 and increasing the amount of H2O, potentially up to 100% in the case of oxy-fuel combustion. As a critical factor in aluminium casting is the loss of metal due to oxidation and dross-formation, it will be necessary to have a good understanding of how the oxidation behaviour is influenced by the composition of the atmosphere. In this paper, we study how oxidation and dross formation changes for different atmospheres containing H2O and O2. The total molar amount of oxygen atoms is kept constant, allowing for a discussion on the oxidative properties of the different oxygen-carrying molecules |
Proceedings Inclusion? |
Planned: Light Metals |
Keywords |
Aluminum, Sustainability, Other |