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Sep. 14th Prof. Susanne Michelic : The System Steel-Slag-Refractory as a Key Parameter for Advanced …

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댓글 0건 조회 67회 작성일 2023-10-13 09:29

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Abstract

The presence of non-metallic inclusions in steel and the therewith associated steel cleanness is a decisive quality criterion for the final product. Reactions and interactions in the system steel-slag-refractory essentially influence the inclusion behavior in the melt; from inclusion formation, over their modification and evolution to their final impact on material properties for specific applications. The present talk highlights some current research topics in the field of inclusion metallurgy drawing the bow from fundamental considerations to industrial applications. Different methods and approaches to trace non-metallic inclusions – both on laboratory as well as on industrial scale – will be shown, especially focusing on the application of enriched stable isotopes. As a second part, special attention will be paid on the role of different alkali and tramp elements changing interfacial conditions in the system steel-slag-refractory. Therefore, results from laboratory trials by means of High Temperature Confocal Scanning Laser Microscopy (HT-CSLM) and Drop Shape Analysis (DSA) will be exemplified. Finally, the further development of inclusion analytics, also latest results considering machine learning tools to support inclusion characterization will be discussed. 

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