Abstract
Today's high productivity CSP (compact-strip process) thin slab casters with a funnel mold design require stringent mold flux performance in the mold compared to the typical thick slab casters. Issues related to un-optimized mold flux properties result in surface defects including cracks and flux infiltration. In this study, a novel mold flux for high carbon steels have been developed to increase existing casting speeds and improve quality, where the liquid-solid co-existing zone beyond the break temperature of the flux were broadly extended to maximize the liquid flux layer below the meniscus and evenly increase the liquid lubrication of the partially solidified shell in the funnel type thin slab caster. Crystallization behavior using the CLSM (confocal laser scanning microscope) and a flux disc simulator was used. Viscosity of the flux was measured and optimized using a rotating bob and spindle rheometer assembly. Utilizing the fundamental data of crystallization and viscosity, trials in commercial thin slab casters with the developed liquid-solid hybrid mold flux were implemented with promising results.
| Original language | English |
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| Pages | 568-571 |
| Number of pages | 4 |
| Publication status | Published - 2015 |
| Event | 6th International Congress on the Science and Technology of Steelmaking, ICS 2015 - Beijing, China Duration: 2015 May 12 → 2015 May 14 |
Other
| Other | 6th International Congress on the Science and Technology of Steelmaking, ICS 2015 |
|---|---|
| Country/Territory | China |
| City | Beijing |
| Period | 15/5/12 → 15/5/14 |
All Science Journal Classification (ASJC) codes
- Metals and Alloys