Preparation and characterisation of self-flowing refractory material containing 971U type microsilica

C. Göǧtaş, N. Ünlü*, A. Odabaşi, L. Sezer, F. Çinar, Ş Güner, G. Göller, N. Eruslu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A newer composition of self-flowing low cement brown fused alumina castable containing 971U type microsilica was developed. Optimum flow characteristics were achieved using water addition of 4.6 wt-%. This batch was sintered at different firing temperatures up to 1500°C. To understand the effect of both firing temperatures and corresponding phases, the present castable was characterised in terms of X-ray diffraction, scanning electron microscopy, bulk density (BD), apparent porosity (AP), water absorption (WA), cold crushing strength (CCS) and self-leveling flowability. The results revealed that gradual increase in firing temperature from 1100 through 1500°C caused low AP and WA, and high CCS properties due to the densification of the castable.

Original languageEnglish
Pages (from-to)6-11
Number of pages6
JournalAdvances in Applied Ceramics
Volume109
Issue number1
DOIs
Publication statusPublished - 1 Feb 2010

Keywords

  • Alumina castable
  • Characterisation
  • Firing temperature
  • Microsilica
  • Refractory material
  • Self-flowing

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