Journal of Materials Science

, Volume 44, Issue 11, pp 2844–2850 | Cite as

Correlation among sintering process, porosity, and creep deformation of refractory concrete

  • Anja TerzićEmail author
  • Ljubica Pavlović


The aim of this paper is to establish the correlation among sintering process, porosity, and important thermo-mechanical property of refractory concrete, i.e., creep. Creep deformation was investigated according to the standard laboratory procedure applied at three temperatures: 1200, 1300, and 1400 °C. Corundum and bauxite-based refractory concretes were investigated. The concretes are varying in chemical and mineralogical composition. Both loss of strength and degradation of material occur when refractory concrete is subjected to increased temperature and compressive static load. Measuring of thermo-mechanical properties can indicate and monitor the changes within microstructure. Variation of refractory concrete microstructure, as a consequence of sintering process, during exposure to constant compressive load and constant elevated temperature during certain time-intervals was investigated using scanning electron microscope and Image Pro Plus program for image analysis. Obtained results of the investigation proved that creep can be useful method when type of refractory concrete is to be chosen for an application.


Sinter Process Creep Deformation Creep Curve Concrete Sample Apparent Porosity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This study has been supported by Serbian Ministry of Science under Project nos. 19012 and 16004.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Institute for Technology of Nuclear and Other Raw Mineral MaterialsBelgradeSerbia

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