Mold Simulator Study of Lubrication Behavior of High Carbon Steel Slag Film Inside Continuous Casting Mold

During the continuous castingContinuous casting of high carbon steelCarbon steel, mold sticking breakout occurs frequently, which may be due to poor lubrication of the slag filmSlag film infiltrating into the gap between the mold and the shellShell. The study investigated the lubrication behavior of the slag filmSlag film near the meniscus area using a mold simulator technique. The results showed that the heat fluxHeat flux and temperatureTemperature of the mold initially increased, followed by a subsequent decrease along the casting direction. The thickness of the slag filmSlag film initially decreases, followed by an increase along the casting direction. Overall, the thickness of the slag filmSlag film ranges from 1.21 to 2.87 mm. Additionally, the thickness of the liquid slag filmSlag film is 0.41 mm at the shellShell tip and decreases to 0.13 mm at a location situated 10 mm below the tip.