Abstract
When a lining consisting of large refractory parts is put into a working regime, it is important to know the increase in the temperature of the material in order to determine the assembly gaps and be confident that fracture as a result of structural transformations will not occur during operation when the temperature gradient over the thickness of a part increases. Comparative studies of the thermophysical properties of conventional fired fireclay materials (tamped beam for the bottom of the melt tank, semi-dry pressed ShSU beam) and low-cement concrete materials with VShS fireclay filler have been performed at the Semiluki Refractory Works. The materials BShBS and VShBO showed negligible change of the CLTE with increasing temperature in the operating range 600–1300°C.
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