Sinterability and Mechanical Properties of MnO₂-Doped Y-TZP: The Effects of Holding Time Variations

Abstract:

The effect of holding time variation and sintering temperature on the mechanical properties and sinterability of yttria stabilized tetragonal zirconia doped with 1 wt. % MnO₂ was investigated. Samples were sintered at 1150-1500 °C with holding times varying from 12 and 120 minutes. Comparing to the MnO₂-doped Y-TZP, longer holding time resulted in enhanced densification of the undoped Y-TZP samples. In the case of MnO₂-doped Y-TZP however, Bulk density, Young’s modulus, Vickers hardness and fracture toughness results show the beneficial effect of MnO₂ in enhancing the densification of Y-TZP ceramics.

• Periodical: Applied Mechanics and Materials (Volumes 110-116)
• Pages: 1284-1288
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.110-116.1284
• Online since: October 2011
• Authors: Mahdi Amiriyan, Meenaloshini Satgunam, Sivanesan Sivakumar, Singh Ramesh, Ranna Tolouei
• Keywords: Holding Time, Manganese Oxide, Sinterability, Y-TZP

References

[1] R. Guo, D. Guo, D. Zhao, Z. Yang and Y. Chen, Low Temperature Ageing in Water Vapor and Mechanical Properties of ZTA Ceramics, Mater. Letts. Vol. 56, 2002, pp.1014-1018, doi: 10. 1016/S0167-577X(02)00666-3.

DOI: 10.1016/s0167-577x(02)00666-3

[2] A. Feder and M. Anglada, Low Temperature Ageing Degradation of 2. 5Y-TZP Heat Treated at 1650°C, J. Eur. Ceram. Soc. Vol. 25, 2005, p.3117 – 3124, doi: 10. 1016/j. jeurceramsoc. 2004. 06. 022.

DOI: 10.1016/j.jeurceramsoc.2004.06.022

[3] S. Deville, J. Chevalier, G. Fantozzi, J. Bartolome and J. Requena, Low Temperature Ageing of Zirconia -Toughened Alumina Ceramics and Its Implication in Biomedical Implants, J. Eur. Ceram. Soc. vol. 23, 2003, p.2975.

DOI: 10.1016/s0955-2219(03)00313-3

[4] R. Singh, Review of Ageing Behaviour of Yttria–Tetragonal Zirconia Polycrystals(Y-TZP), Part 3, Ageing Inhibition, J. Ind. Tech. 8.

[2] (1999) 1-18.

[5] H. Erkalfa, Z. Misirli and T. Baykara, The Effect of TiO2 and MnO2 on Densification and Microstructural Development of Alumina, Ceram. Int., vol. 24, 1998, pp.81-90, doi: 10. 1016/S0272-8842(97)00082-5.

DOI: 10.1016/s0272-8842(97)00082-5

[6] T. Zhang, P. Hing, H. Huang and J. Kilner, Sintering and Densification Behaviour of Mn-doped CeO2, Mater. Sci. & Eng. Vol. 83, 2001, pp.235-241, doi: 10. 1016/S0921-5107(01)00534-7.

DOI: 10.1016/s0921-5107(01)00534-7

[7] S. Shimada, K. Kodaira and T. Matsushita, Sintering LiTaO3 and KTaO3 with the aid of Manganese Oxide, J. Mater. Sci., vol. 19, 1984, pp.1385-1390, doi: 10. 1007/BF01120051.

DOI: 10.1007/bf01120051

[8] Y. Sakka, T. Ishii, T. S. Suzuki, K. Morita and K. Hiraga, Fabrication of High-Strain Rate Superplastic Yttria-doped Zirconia Polycrystals by adding Manganese and Aluminum Oxides, J. Eur. Ceram. Soc., vol. 24, 2004, pp.449-453.

DOI: 10.1016/s0955-2219(03)00207-3

[9] ASTM Standard C1259 - 2008e1, Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio for Advanced Ceramics by Impulse Excitation of Vibration, ASTM International, West Conshohocken, PA, 2008, DOI: 10. 1520/C1259-08E01.

DOI: 10.1520/c1259-14

[10] K. Niihara, R. Morena and D. P. H. Hasselman, Evaluation of KIc of Brittle Solids by the Indentation Method with Low Crack-to-Indent Ratios, J. Mater. Sci. Letts., vol. 1, 1982, pp.13-16, doi: 10. 1007/BF00724706.

DOI: 10.1007/bf00724706

[11] N. Kimura, S. Abe, J. Morishita and H. Okamura, Low-Temperature Sintering of Y-TZP and Y-TZP-Al2O3 Composites with Transitional Metal Oxide Additives, " In Sintering 88, Vol. 2, Somiya, S. (eds) (Elsevier Applied Science, 1988) pp.1142-1148.

DOI: 10.1007/978-94-009-1373-8_192

[12] N. Kimura, S. Abe, Y. Hayashi, J. Morishita and H. Okamura, Sintering Behaviour and Anti-Degradation Property of MOx-doped Y-TZP (M: Cu, Mn, Co, Ni, Zn), Sprechsaal, 122, 341-343 (1989).