Improvement of properties of self-flowing low-cement castables based on brown-fused alumina

Cem Göǧtaş, Akin Odabaşi, Levent Sezer, Filiz Çinar, Şule Güner, Niyazi Eruslu, Necip Ünlü*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


A new self flowing brown-fused alumina based castable with 5 wt.% cement has been developed. An Andreason mathematical model (q=0.25) was used to adjust the granulometric particle size distribution. To achieve optimum self-leveling flowability, 5.6% water was used. The main physical and mechanical properties of the present castable were studied. Phase analysis using X-ray diffraction (XRD), scanning electron microscopy (SEM) and apparent porosity (AP), bulk density (BD), water absorption (WA), cold crushing strength (CCS), hardness, and self-leveling flowability were investigated as a function of the firing temperature. The castable exhibited low AP and WA, and high CCS values with an increase in the firing temperature as a result of the corresponding phases.

Original languageEnglish
Pages (from-to)324-330
Number of pages7
JournalJournal of Ceramic Processing Research
Issue number5
Publication statusPublished - 2007


  • Cement
  • Characterization
  • Mechanical properties
  • Refractory castable
  • Workability


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