The influence of manganese oxide on the sintering behavior of yttria tetragonal Zirconia

Meenaloshini Satgunam, M. Amiriyan, U. Sankar, R. Tolouei, S. Ramesh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The sintering behavior of yttria-stabilized zirconia, with the influence of small additions of MnO2 (up to 1 wt %) sintered over the temperature range from 1250°C to 1500°C was investigated. It was found that the mechanical properties of Y-TZP were dependent on the dopant amount and sintering temperature. The results revealed that relative densities above 97.5% of theoretical (i.e. >5.95Mgm-3) could be obtained in Y-TZPs sintered at low temperatures, 1250°C and 1300°C, with the additions of ≤0.3wt%MnO2. In comparison to the undoped samples, the additions of up to 1 wt% MnO2 and for sintering up to 1350°C was found to be beneficial in enhancing the Vickers hardness of the ceramic. The fracture toughness of Y-TZP however, was found to increase only in the 1wt%MnO 2-doped samples when sintered above 1400°C. The relation between the measured mechanical properties is discussed with the emphasis on the role of the manganese oxide.

Original languageEnglish
Title of host publicationInternational Conference on Advances in Materials and Processing Technologies, AMPT2010
Pages283-288
Number of pages6
DOIs
Publication statusPublished - 01 Dec 2010
EventInternational Conference on Advances in Materials and Processing Technologies, AMPT2010 - Paris, France
Duration: 24 Oct 201027 Oct 2010

Publication series

NameAIP Conference Proceedings
Volume1315
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

OtherInternational Conference on Advances in Materials and Processing Technologies, AMPT2010
CountryFrance
CityParis
Period24/10/1027/10/10

Fingerprint

manganese oxides
zirconium oxides
sintering
mechanical properties
Vickers hardness
yttria-stabilized zirconia
fracture strength
ceramics
temperature

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science
  • Physics and Astronomy(all)
  • Nature and Landscape Conservation

Cite this

Satgunam, M., Amiriyan, M., Sankar, U., Tolouei, R., & Ramesh, S. (2010). The influence of manganese oxide on the sintering behavior of yttria tetragonal Zirconia. In International Conference on Advances in Materials and Processing Technologies, AMPT2010 (pp. 283-288). (AIP Conference Proceedings; Vol. 1315). https://doi.org/10.1063/1.3552456
Satgunam, Meenaloshini ; Amiriyan, M. ; Sankar, U. ; Tolouei, R. ; Ramesh, S. / The influence of manganese oxide on the sintering behavior of yttria tetragonal Zirconia. International Conference on Advances in Materials and Processing Technologies, AMPT2010. 2010. pp. 283-288 (AIP Conference Proceedings).
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abstract = "The sintering behavior of yttria-stabilized zirconia, with the influence of small additions of MnO2 (up to 1 wt {\%}) sintered over the temperature range from 1250°C to 1500°C was investigated. It was found that the mechanical properties of Y-TZP were dependent on the dopant amount and sintering temperature. The results revealed that relative densities above 97.5{\%} of theoretical (i.e. >5.95Mgm-3) could be obtained in Y-TZPs sintered at low temperatures, 1250°C and 1300°C, with the additions of ≤0.3wt{\%}MnO2. In comparison to the undoped samples, the additions of up to 1 wt{\%} MnO2 and for sintering up to 1350°C was found to be beneficial in enhancing the Vickers hardness of the ceramic. The fracture toughness of Y-TZP however, was found to increase only in the 1wt{\%}MnO 2-doped samples when sintered above 1400°C. The relation between the measured mechanical properties is discussed with the emphasis on the role of the manganese oxide.",
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Satgunam, M, Amiriyan, M, Sankar, U, Tolouei, R & Ramesh, S 2010, The influence of manganese oxide on the sintering behavior of yttria tetragonal Zirconia. in International Conference on Advances in Materials and Processing Technologies, AMPT2010. AIP Conference Proceedings, vol. 1315, pp. 283-288, International Conference on Advances in Materials and Processing Technologies, AMPT2010, Paris, France, 24/10/10. https://doi.org/10.1063/1.3552456

The influence of manganese oxide on the sintering behavior of yttria tetragonal Zirconia. / Satgunam, Meenaloshini; Amiriyan, M.; Sankar, U.; Tolouei, R.; Ramesh, S.

International Conference on Advances in Materials and Processing Technologies, AMPT2010. 2010. p. 283-288 (AIP Conference Proceedings; Vol. 1315).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Satgunam M, Amiriyan M, Sankar U, Tolouei R, Ramesh S. The influence of manganese oxide on the sintering behavior of yttria tetragonal Zirconia. In International Conference on Advances in Materials and Processing Technologies, AMPT2010. 2010. p. 283-288. (AIP Conference Proceedings). https://doi.org/10.1063/1.3552456