MATHEMATICAL MODELING AND MULTICRITERIA OPTIMIZATION OF THE CERAMIC INDICATORS OF THE REFRACTORY LININGS OF STEEL FOUNDRY LADLES
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2023-01-01
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Abstract
The ceramic properties of “Fosuk” type driving masses, used for the monolithic construction of the walls of the steel foundry ladles, strongly depend on the content of the clay substance and the temperatures of heat treatment. The subject of the present study is to determine the influence of two independent variables (process control parameters) on the quality indicators of the driving masses, used in the refractory lining of steel foundry ladles in metallurgy. In the present study, statistical evaluation of the driving masses indicators with three different Al2O3 contents was performed. The linear correlation between the quality indicators of driving masses in different combinations of two main independent variables has been studied. Multicriteria optimization of the generalized functions for three different quality indicators was performed in order to determine the optimal amount of Al2O3 (clay substance) and the temperature of the heat treatment of the inner lining of the steel foundry ladles.