Subsolidus Phase Relations of the CaO-WO3-CuO System at 800 °C in Air

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The subsolidus phase relations of the CaO-WO3-CuO system were investigated in air. The samples were equilibrated at 800 degrees C. Under these conditions, five binary oxide phases are stable: Ca2CuO3, Cu3WO6, CuWO4, CaWO4 and Ca3WO6. The pseudo-ternary section is characterised by 6 three-phase regions. No Ca equivalents to the Sr2CuWO6, Ba2CuWO6 or Sr8CuW3O18 phases were formed.
Original languageEnglish
JournalJournal of Phase Equilibria and Diffusion
Issue number1
Pages (from-to)46-50
Publication statusPublished - 2012

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Copyright (2012) ASM International. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the ASM International.


  • Chemistry
  • Materials
  • Metallurgy
  • Crystal structure
  • High-pressure
  • O system
  • Equilibria
  • Tungstates
  • Oxygen


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