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Interaction of BN ‐ Z r O 2 ‐ S i C Ceramics with Inclusions in Si‐killed Steel
Author(s) -
Kumar Abhishek,
Thapliyal Vivek,
Smith Jeffrey
Publication year - 2014
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/ijac.12313
Subject(s) - materials science , isothermal process , ceramic , boron nitride , refractory (planetary science) , dissolution , metallurgy , composite material , chemical engineering , thermodynamics , physics , engineering
Boron nitride ( BN )‐based ceramics are often used as containment refractory in thin‐strip steel production. The interaction of this material ( BN ‐ Z r O 2 ‐ S i C :‐ MYCROSINT ® SO 43) was studied using a steel‐inclusion system in a laboratory setup. Isothermal interaction tests were performed to evaluate the interaction of inclusions with this refractory. It was determined that corrosion of the BN refractory occurs through a dissolution mechanism and it was more severe in contact with steel compared to slag. A thermodynamic model was developed using F act S age to study the change in liquid steel/slag composition with refractory interaction. Thermodynamic predictions were in agreement with the experimental data obtained through isothermal interaction tests.

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