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Formation of Dense Inclusion Buildup on Submerged Entry Nozzle by Electric Current Pulse
Author(s): 
Pages: 500-504
Year: Issue:  5
Journal: Acta Metallurgica Sinica

Keyword:  Electric current pulse(ECP)Submerged entry nozzle(SEN)DensificationTransport;
Abstract: In this work, low-density electric current pulse(ECP) has been applied to submerged entry nozzle(SEN) and its effect on the morphology of the inclusion buildup and the distribution of the inclusions in slab has been explored. The results reveal that under the unique effects of ECP, part of small inclusions less than 10 lm is expelled through the boundary layer along the current direction to form dense inclusion buildup. This method is of great potential to prolong the service life of SEN and improve the quality of the steel product.
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