Densification behaviour and properties of manganese oxide doped Y-TZP ceramics

S. Ramesh, M. Amiriyan, Meenaloshini Satgunam, R. Tolouei, M. Hamdi, J. Pruboloksono, W. D. Teng

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

The effect of employing a short sintering holding time of 12 min as compared to that of the commonly employed holding time of 120 min (2 h) on the properties of undoped and 1 wt% manganese oxide (MnO2)-doped Y-TZP ceramics were studied. Sintering studies was conducted over the temperature range of 1150-1600 °C. Bulk density, Young's modulus, Vickers hardness and fracture toughness tests were carried out on the sintered samples. The results revealed that the 12 min sintering holding time was effective in promoting densification of the 1 wt% MnO2-doped Y-TZP without sacrificing tetragonal phase stability or mechanical properties and incurring grain growth. Microstructure investigation by using the scanning electron microscope (SEM) of the fracture MnO2-doped Y-TZP samples which was subjected to rapid quenching in liquid nitrogen revealed distinct microstructural features believed to be associated with the presences of a transient liquid phase during sintering. A sintering mechanism was subsequently proposed to explain the densification behaviour of MnO2-doped Y-TZP ceramics.

Original languageEnglish
Pages (from-to)3583-3590
Number of pages8
JournalCeramics International
Volume37
Issue number8
DOIs
Publication statusPublished - 01 Dec 2011

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Manganese oxide
Densification
Sintering
Rapid quenching
Liquid phase sintering
Phase stability
Vickers hardness
Liquid nitrogen
Grain growth
Fracture toughness
Electron microscopes
Elastic moduli
Scanning
Mechanical properties
Microstructure
manganese oxide
yttria stabilized tetragonal zirconia
Temperature

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Ramesh, S., Amiriyan, M., Satgunam, M., Tolouei, R., Hamdi, M., Pruboloksono, J., & Teng, W. D. (2011). Densification behaviour and properties of manganese oxide doped Y-TZP ceramics. Ceramics International, 37(8), 3583-3590. https://doi.org/10.1016/j.ceramint.2011.06.014
Ramesh, S. ; Amiriyan, M. ; Satgunam, Meenaloshini ; Tolouei, R. ; Hamdi, M. ; Pruboloksono, J. ; Teng, W. D. / Densification behaviour and properties of manganese oxide doped Y-TZP ceramics. In: Ceramics International. 2011 ; Vol. 37, No. 8. pp. 3583-3590.
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Ramesh, S, Amiriyan, M, Satgunam, M, Tolouei, R, Hamdi, M, Pruboloksono, J & Teng, WD 2011, 'Densification behaviour and properties of manganese oxide doped Y-TZP ceramics', Ceramics International, vol. 37, no. 8, pp. 3583-3590. https://doi.org/10.1016/j.ceramint.2011.06.014

Densification behaviour and properties of manganese oxide doped Y-TZP ceramics. / Ramesh, S.; Amiriyan, M.; Satgunam, Meenaloshini; Tolouei, R.; Hamdi, M.; Pruboloksono, J.; Teng, W. D.

In: Ceramics International, Vol. 37, No. 8, 01.12.2011, p. 3583-3590.

Research output: Contribution to journalArticle

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AU - Hamdi, M.

AU - Pruboloksono, J.

AU - Teng, W. D.

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