Preparation of the Al2O3-ZrO2-C Sliding Nozzle Using Recovery Refractory and Improvement of its Performance

Lin Tian; Shu Jiang Chen; Xiao Ning Zhang; Guo Hua Li

doi:10.4028/www.scientific.net/AMR.291-294.1800

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 291-294Preparation of the Al2O3-ZrO2-C Sliding Nozzle...

Preparation of the Al₂O₃-ZrO₂-C Sliding Nozzle Using Recovery Refractory and Improvement of its Performance

Abstract:

Utilization of waste refractory material has attracted much attention due to the development of metallurgical industry and the requirements of environmental protection. This article mainly researched on the Al₂O₃-ZrO₂-C sliding nozzle that prepared using its recovery refractory and some other new materials. The addition of the recovery material leads to the formation of ZrO₂ compound. The performance of the sliding nozzle is enhanced by controlling its microstructure, including the improvement of strength under cold and high temperature, and increase in slag resistance.