Abstract
An investigation into the wear mechanisms of carbon- and silicon carbide-based refractory materials by silicomanganese alloy
Highlights
A study of chemical wear of two carbon-based refractory materials, namely carbon block and carbon ramming paste, in a silicomanganese (SiMn) furnace tap-hole was undertaken by Steenkamp (2014)
Thermodynamically, the alloy was not saturated in either C or silicon carbide (SiC), and it was expected that both type K and type SiC refractories would dissolve into the alloy
Increasing temperature at a constant Si content of 14.5 mass %, the alloy reached saturation but temperature increases above 1550°C resulted in increased C solubility into the alloy
Summary
A study of chemical wear of two carbon-based refractory materials, namely carbon block and carbon ramming paste, in a silicomanganese (SiMn) furnace tap-hole was undertaken by Steenkamp (2014). Subsequent thermodynamic calculations on alloy compositions from an industrial furnace, using tap data collected over three months, revealed the potential for interaction between the SiMn alloy and refractory being a further source of wear, of the tap-hole refractory and of the hearth refractory. Based on these findings, a further investigation of wear mechanisms of carbon-based refractory material by SiMn alloy on a laboratory-scale was required. Porosity in carbon refractories results from volatile liquids escaping as the mixture is baked, and can create cracks and pores that allow for infiltration of process material (Dzermejko, Baret, and Hubble, 1999)
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of the Southern African Institute of Mining and Metallurgy
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
