Metallurgical and Materials Transactions B

, Volume 44, Issue 4, pp 954–968 | Cite as

In Situ Observation of Collision between Exogenous and Endogenous Inclusions on Steel Melts for Active Steel Filtration

  • Christos G. AnezirisEmail author
  • Christina Schroeder
  • Marcus Emmel
  • Gert Schmidt
  • Hans Peter Heller
  • Harry Berek


In a confocal scanning laser microscope, interactions between exogenous and endogenous inclusions on steel melts have been investigated. Higher capillary long-range attraction forces as well as higher acting lengths of the capillary forces between exogenous and endogenous particle pairs have been observed in comparison to endogenous inclusions pairs. The contribution of the roughness of the exogenous inclusions to the capillary attraction forces has been discussed and a surface filter design for a higher filtration efficiency of steel melts has been proposed.


Contact Angle Nonmetallic Inclusion Molten Steel Interparticle Distance Filtration Efficiency 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This research was financially supported by the German Research Foundation (DFG) in frame of the Collaborative Research Center 920. Moreover, the authors would like to thank Dr. Undine Fischer for the posttreatment of the CSLM image sequences.


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Copyright information

© The Minerals, Metals & Materials Society and ASM International 2013

Authors and Affiliations

  • Christos G. Aneziris
    • 1
    Email author
  • Christina Schroeder
    • 1
    • 2
  • Marcus Emmel
    • 1
  • Gert Schmidt
    • 1
  • Hans Peter Heller
    • 2
  • Harry Berek
    • 1
  1. 1.Institute of Ceramics, Glass and Construction MaterialsTechnical University of Freiberg FreibergGermany
  2. 2.Institute of Iron and Steel TechnologyTechnical University of FreibergFreibergGermany

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