Abstract
Oxygen activities in liquid iron deoxidized with aluminium were measured at 1873 K, using a mullite electrolyte having a Cr-Cr2O3 reference mixture. These results were compared with those obtained using commerical tube-type ZrO2-8 mol% MgO and plug-type ZrO2-9 mol% MgO probes, along with oxygen activities calculated from analysis. Oxygen activities from EMF measurements using mullite and plug-type probes were found to be in agreement with those calculated from the Al/Al2O3 equilibrium and those estimated from analyzed oxygen contents. Polarization effect due to electrochemical oxygen transport was observed in a commerical tube-type ZrO2-based probe. Supersaturation in liquid iron deoxidized with aluminium was also measured at 1873 K.
Original language | English |
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Pages (from-to) | 419-425 |
Number of pages | 7 |
Journal | Steel Research |
Volume | 63 |
Issue number | 10 |
DOIs | |
Publication status | Published - 1992 Jan 1 |
ASJC Scopus subject areas
- Metals and Alloys