Aqueous degradation and chemical passivation of Yttria-tetragonally-stabilized zirconia at 25°C

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Abstract

The objective of this study was to establish the mechanism(s) controlling degradation of yttria-tetragonally-stabilized zirconia (Y-TZP) powder in aqueous suspensions and determine the significance of this degradation to the aqueous physical chemistry of Y-TZP. Experiments were performed on commercially available Y-TZP powder placed in aqueos suspensions at 25°C. Experimental investigations included analysis of the aqueous chemistry of Y-TZP in water via ICP-MS, determination of the surface and bulk structure of the powder via XRD and solid-state NMR, and observation of changes in surface charges via zeta potential determinations. The goal of this study was to control the surface chemistry of Y-TZP in aqueous suspension to promote dispersion and permit aqueous processing of Y-TZP powders.

Original languageEnglish (US)
Pages (from-to)1403-1408
Number of pages6
JournalJournal of the American Ceramic Society
Volume85
Issue number6
DOIs
StatePublished - Jun 2002

Fingerprint

Yttria stabilized zirconia
Passivation
Powders
Degradation
Suspensions
degradation
Physical chemistry
nuclear magnetic resonance
Zeta potential
Surface charge
Surface chemistry
X-ray diffraction
Nuclear magnetic resonance
chemical
Water
Processing
experiment
water
Experiments

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Geology
  • Geochemistry and Petrology
  • Materials Chemistry

Cite this

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title = "Aqueous degradation and chemical passivation of Yttria-tetragonally-stabilized zirconia at 25°C",
abstract = "The objective of this study was to establish the mechanism(s) controlling degradation of yttria-tetragonally-stabilized zirconia (Y-TZP) powder in aqueous suspensions and determine the significance of this degradation to the aqueous physical chemistry of Y-TZP. Experiments were performed on commercially available Y-TZP powder placed in aqueos suspensions at 25°C. Experimental investigations included analysis of the aqueous chemistry of Y-TZP in water via ICP-MS, determination of the surface and bulk structure of the powder via XRD and solid-state NMR, and observation of changes in surface charges via zeta potential determinations. The goal of this study was to control the surface chemistry of Y-TZP in aqueous suspension to promote dispersion and permit aqueous processing of Y-TZP powders.",
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T1 - Aqueous degradation and chemical passivation of Yttria-tetragonally-stabilized zirconia at 25°C

AU - Kimel, R. Allen

AU - Adair, James H.

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AB - The objective of this study was to establish the mechanism(s) controlling degradation of yttria-tetragonally-stabilized zirconia (Y-TZP) powder in aqueous suspensions and determine the significance of this degradation to the aqueous physical chemistry of Y-TZP. Experiments were performed on commercially available Y-TZP powder placed in aqueos suspensions at 25°C. Experimental investigations included analysis of the aqueous chemistry of Y-TZP in water via ICP-MS, determination of the surface and bulk structure of the powder via XRD and solid-state NMR, and observation of changes in surface charges via zeta potential determinations. The goal of this study was to control the surface chemistry of Y-TZP in aqueous suspension to promote dispersion and permit aqueous processing of Y-TZP powders.

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