Influence of TiO 2 on the viscous behavior of calcium silicate melts containing 17 mass% Al 2O 3 and 10 mass% MgO

Il Sohn, Wanlin Wang, Hiroyuki Matsuura, Fumitaka Tsukihashi, Dong Joon Min

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Abstract

A study was conducted to investigate the Influence of TiO 3 on the Viscous behavior of calcium silicate melts containing 17 mass% Al 2O 3 and 10 mass% MgO. Samples were synthesized using reagent grade chemicals of CaO, SiO 2, MgO, Al 2O 3, and TiO 2. The samples were premelted at 1 773 K under 0.4 L/min of Ar in a Pt crucible to obtain a homogeneous slag sample. Post-experimental chemical composition using X-Ray Fluorescence (XRF) spectroscopy showed no apparent change. The viscosity of 120 g of slag placed in a Pt crucible was measured using a rotating spindle connected to a calibrated Brookfield digital rheometer. Effect of TiO 2 at constant temperature of 1 773 K at various CaO/SiO 2 ratio was provided. The temperature dependence of the viscosity at CaO/SiO 2 of 0.8 and various TiO 2 content was shown where the viscosity decreased with increasing temperatures.

Original languageEnglish
Pages (from-to)158-160
Number of pages3
JournalISIJ International
Volume52
Issue number1
DOIs
Publication statusPublished - 2012 Jan 23

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All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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