State of the art in the control of inclusions during steel ingot casting |
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| Authors: | Lifeng Zhang Brian G Thomas |
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| Affiliation: | (1) the Department of Materials Science and Engineering Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway;(2) the Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, 61801 Urbana, IL |
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| Abstract: | This article extensively reviews published research on inclusions in ingot steel and defects on ingot products, methods to
measure and detect inclusions in steel, the causes of exogenous inclusions, and the transport and entrapment of inclusions
during fluid flow, segregation, and solidification of steel cast in ingot molds. Exogenous inclusions in ingots originate
mainly from reoxidation of the molten steel, slag entrapment, and lining erosion, which are detailed in this article. The
measures to prevent the formation of exogenous inclusions and improve their removal are provided, which are very useful for
the clean steel production of ingot industries. |
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