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Christos G. Aneziris, Steffen Dudczig, Marcus Emmel, Harry Berek, Gert Schmidt and Jana Hubalkova Reactive Filters for Steel Melt Filtration Advanced Engineering Materials 15

Article first published online: 19 SEP 2012 | DOI: 10.1002/adem.201200199

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New carbon bonded Al2O3 filters with MgO–C “reactive coatings” for high filtration efficiency of steel melts are studied with the aid of a steel casting simulator in full controlled atmosphere. Due to the in situ reduction of MgO in the coating and the formation of Mg vapor a reaction with the oxygen dissolved in the steel melt is triggered and leads to the formation of secondary MgO on the surface.

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