Effect of holding time on the mechanical properties and microstructural evaluation of 3Y-TZP ceramics

M. Golieskardi, Meenaloshini Satgunam, D. Ragurajan

Research output: Contribution to journalArticle

Abstract

The extensiveness of additives such as CeO2 and Al2O3 in enhancing the mechanical properties of 3 mol% yttria-stabilized tetragonal zirconia polycrystalline (3Y-TZP) is examined. The samples are sintered at temperature ranging from 1250 to 1550 °C for different holding time of 12 mins and 2 h. The optimum amounts of dopants and sintering time are 0.5 wt% CeO2/0.3 wt% Al2O3 and 2 h, respectively. At these optimum conditions, the doped 3Y-TZP ceramic samples exhibit density of 5.96 g/cm3, Vickers hardness of 10.9 GPa, fracture toughness of 10 MPa.m1/2, Young's modulus of 238 GPa, and flexural strength of 750 MPa.

Original languageEnglish
Pages (from-to)1001-1006
Number of pages6
JournalJournal of the Australian Ceramic Society
Volume53
Issue number2
DOIs
Publication statusPublished - 01 Oct 2017

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Yttria stabilized zirconia
Mechanical properties
Vickers hardness
Bending strength
Fracture toughness
Sintering
Elastic moduli
Doping (additives)
Temperature
yttria stabilized tetragonal zirconia

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

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abstract = "The extensiveness of additives such as CeO2 and Al2O3 in enhancing the mechanical properties of 3 mol{\%} yttria-stabilized tetragonal zirconia polycrystalline (3Y-TZP) is examined. The samples are sintered at temperature ranging from 1250 to 1550 °C for different holding time of 12 mins and 2 h. The optimum amounts of dopants and sintering time are 0.5 wt{\%} CeO2/0.3 wt{\%} Al2O3 and 2 h, respectively. At these optimum conditions, the doped 3Y-TZP ceramic samples exhibit density of 5.96 g/cm3, Vickers hardness of 10.9 GPa, fracture toughness of 10 MPa.m1/2, Young's modulus of 238 GPa, and flexural strength of 750 MPa.",
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Effect of holding time on the mechanical properties and microstructural evaluation of 3Y-TZP ceramics. / Golieskardi, M.; Satgunam, Meenaloshini; Ragurajan, D.

In: Journal of the Australian Ceramic Society, Vol. 53, No. 2, 01.10.2017, p. 1001-1006.

Research output: Contribution to journalArticle

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