Tetragonal ZrO2-Y2O3: Part I: Preparation methods and characterization

A. J.A. Winnubst, M.A.C.G. van de Graaf, K. Keizer, A.J. Burggraaf

Research output: Contribution to journalConference articleAcademicpeer-review

1 Citation (Scopus)

Abstract

Y2O3 - containing tetragonal ZrO2 polycrystals (Y-TZP) are prepared by wet chemical methods. This results in sinterreactive ceramics with grain sizes down to 0.1µm. The aging behaviour in air and water at high temperatures has been studied by X-ray diffraction. Important factors on aging are Y-concentration, impurity level and grain size. Y-TZP with 6.1 mol% YO1.5 and a grain size of 0.1µm do not show degradation to monoclinic phase even after 5 hours at 450 K in water.

Original languageEnglish
Pages (from-to)569-573
Number of pages5
JournalJournal de Physique. Colloque
Volume47
Issue numberC1
DOIs
Publication statusPublished - 1 Feb 1986
Event13th International Conference on Science of Ceramics 1985 - Orléans, France
Duration: 9 Sep 198511 Sep 1985
Conference number: 13

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Aging of materials
grain size
preparation
Water
Impurities
X ray diffraction
Degradation
water
Air
ceramics
degradation
impurities
air
diffraction
Temperature
x rays

Cite this

Winnubst, A. J.A. ; van de Graaf, M.A.C.G. ; Keizer, K. ; Burggraaf, A.J. / Tetragonal ZrO2-Y2O3 : Part I: Preparation methods and characterization. In: Journal de Physique. Colloque. 1986 ; Vol. 47, No. C1. pp. 569-573.
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abstract = "Y2O3 - containing tetragonal ZrO2 polycrystals (Y-TZP) are prepared by wet chemical methods. This results in sinterreactive ceramics with grain sizes down to 0.1µm. The aging behaviour in air and water at high temperatures has been studied by X-ray diffraction. Important factors on aging are Y-concentration, impurity level and grain size. Y-TZP with 6.1 mol{\%} YO1.5 and a grain size of 0.1µm do not show degradation to monoclinic phase even after 5 hours at 450 K in water.",
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Tetragonal ZrO2-Y2O3 : Part I: Preparation methods and characterization. / Winnubst, A. J.A.; van de Graaf, M.A.C.G.; Keizer, K.; Burggraaf, A.J.

In: Journal de Physique. Colloque, Vol. 47, No. C1, 01.02.1986, p. 569-573.

Research output: Contribution to journalConference articleAcademicpeer-review

TY - JOUR

T1 - Tetragonal ZrO2-Y2O3

T2 - Part I: Preparation methods and characterization

AU - Winnubst, A. J.A.

AU - van de Graaf, M.A.C.G.

AU - Keizer, K.

AU - Burggraaf, A.J.

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AB - Y2O3 - containing tetragonal ZrO2 polycrystals (Y-TZP) are prepared by wet chemical methods. This results in sinterreactive ceramics with grain sizes down to 0.1µm. The aging behaviour in air and water at high temperatures has been studied by X-ray diffraction. Important factors on aging are Y-concentration, impurity level and grain size. Y-TZP with 6.1 mol% YO1.5 and a grain size of 0.1µm do not show degradation to monoclinic phase even after 5 hours at 450 K in water.

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