Review of the aqueous chemistry of the zirconium-water system to 200°C

James Hansell Adair, H. G. Krarup, S. Venigalla, T. Tsukada

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The aqueous chemistry of the Zr-H2O system is reviewed. It is shown that the thermodynamically stable solid phase for the Zr-H2O system at 25°C is the monoclinic phase. After a review of the chemistry of the pure material in water, a summary of the solution equilibria of the Zr-H2O system is presented followed by a discussion of the aqueous phase stability of the monoclinic and tetragonal phases of the pure ZrO2 system. Last, a discussion of the phase stability of the complex metal oxides, particularly the Y2O3-containing TZP in aqueous solution will be reviewed. It will be shown that the phase stability for the complex metal oxide-zirconia systems may be best understood as corrosion with the alloying agent (e.g., Y2O3) subject to leaching from a zirconia-rich interface.

Original languageEnglish (US)
Pages (from-to)101-112
Number of pages12
JournalMaterials Research Society Symposium - Proceedings
Volume432
StatePublished - 1997

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Phase stability
Zirconium
Coordination Complexes
chemistry
Metal complexes
zirconium oxides
Zirconia
metal oxides
Water
water
leaching
Alloying
Oxides
Leaching
alloying
solid phases
corrosion
Corrosion
aqueous solutions
zirconium oxide

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

Cite this

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title = "Review of the aqueous chemistry of the zirconium-water system to 200°C",
abstract = "The aqueous chemistry of the Zr-H2O system is reviewed. It is shown that the thermodynamically stable solid phase for the Zr-H2O system at 25°C is the monoclinic phase. After a review of the chemistry of the pure material in water, a summary of the solution equilibria of the Zr-H2O system is presented followed by a discussion of the aqueous phase stability of the monoclinic and tetragonal phases of the pure ZrO2 system. Last, a discussion of the phase stability of the complex metal oxides, particularly the Y2O3-containing TZP in aqueous solution will be reviewed. It will be shown that the phase stability for the complex metal oxide-zirconia systems may be best understood as corrosion with the alloying agent (e.g., Y2O3) subject to leaching from a zirconia-rich interface.",
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Review of the aqueous chemistry of the zirconium-water system to 200°C. / Adair, James Hansell; Krarup, H. G.; Venigalla, S.; Tsukada, T.

In: Materials Research Society Symposium - Proceedings, Vol. 432, 1997, p. 101-112.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Review of the aqueous chemistry of the zirconium-water system to 200°C

AU - Adair, James Hansell

AU - Krarup, H. G.

AU - Venigalla, S.

AU - Tsukada, T.

PY - 1997

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AB - The aqueous chemistry of the Zr-H2O system is reviewed. It is shown that the thermodynamically stable solid phase for the Zr-H2O system at 25°C is the monoclinic phase. After a review of the chemistry of the pure material in water, a summary of the solution equilibria of the Zr-H2O system is presented followed by a discussion of the aqueous phase stability of the monoclinic and tetragonal phases of the pure ZrO2 system. Last, a discussion of the phase stability of the complex metal oxides, particularly the Y2O3-containing TZP in aqueous solution will be reviewed. It will be shown that the phase stability for the complex metal oxide-zirconia systems may be best understood as corrosion with the alloying agent (e.g., Y2O3) subject to leaching from a zirconia-rich interface.

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