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1 2009

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Prediction of the thermal shock resistance of refractory materials using R values

Izadpanah M. R., Dezfoli A. R. A.

Materials Science Poland

2009

Vol. 27, No. 1

131--140

Knowledge of the thermal shock resistance of refractory materials is of particular importance in a variety of applications. To meet the needs of these various applications, a number of thermal shock parameters based on material properties have been developed. The area of thermal shock resistance of refractories is often one of conflicting results in terms of agreement between experimental observations and predictions based on parameters of materials. The current study presents the temperature and stress distributions in magnesite samples. This information plus other results obtained from thermal and mechanical properties of these materials are used to develop a model which predicts the number of quench cycles for various refractory materials. The comparison of the theoretical values using the solution of the presented model with experimental data for materials having different thermal resistances shows a close agreement.