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Thermal Shock Resistance of Refractory Products - Test Method - BS EN 993-11:2007
Methods of test for dense shaped refractory products. Determination of resistance to thermal shock
Thermal shock resistance is the resistance of refractory shapes to damage caused by sudden temperature changes. The measure of this resistance is usually the number of quench cycles withstood under the test conditions.
Thermal shock of refractory materials used in furnaces is influenced by three main factors:
- Brick dimensions
- Heating / cooling conditions
- Material properties.
Thermal shock tests are usually intended to test material properties.
Air quenching methods are proven to give the most reliable results when compared with the behaviour of refractories in furnace linings.