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Boron effects on the solidification of steel during continuouscasting
Published online by Cambridge University Press: 09 January 2009
Abstract
The addition of boron to steel introduces the possibility of steel initially completely solidifying and then remelting in the interdendritic regions at very low carbon levels. For all carbon levels, a low melting Fe-B alloy exists as a liquid down to around 1100°C. This liquid is found in steel with as low as 0.0004% boron due to the boron segregation. The persistence of this liquid leads to hot shortness, breakouts, and other casting defects. Pseudo-binary phase diagrams for low boron concentrations have been developed using ThermoCalc software and were confirmed using experimental techniques.
- Type
- Research Article
- Information
- Metallurgical Research & Technology , Volume 105 , Issue 12: EnvironmentElectric Arc FurnaceSteelmakingContinuous CastingHot RollingSteel Use , December 2008 , pp. 609 - 625
- Copyright
- © La Revue de Métallurgie, 2008
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