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

J. -C. Grivel

doi:10.1007/s11669-012-9990-6

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

J. -C. Grivel

Department of Energy Conversion and Storage

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Abstract

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 language	English
Journal	Journal of Phase Equilibria and Diffusion
Volume	33
Issue number	1
Pages (from-to)	46-50
ISSN	1547-7037
DOIs	https://doi.org/10.1007/s11669-012-9990-6
Publication status	Published - 2012

Bibliographical note

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.

Keywords

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

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abstract = "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.",

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N2 - 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.

AB - 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.

KW - Chemistry

KW - Materials

KW - Metallurgy

KW - Crystal structure

KW - High-pressure

KW - O system

KW - CAO-CUO

KW - Equilibria

KW - Tungstates

KW - Oxygen

U2 - 10.1007/s11669-012-9990-6

DO - 10.1007/s11669-012-9990-6

M3 - Journal article

SN - 1547-7037

VL - 33

SP - 46

EP - 50

JO - Journal of Phase Equilibria and Diffusion

JF - Journal of Phase Equilibria and Diffusion

IS - 1

ER -