Browse > Article

Comparative Study on the Quality of Sintered Zirconia Block Fabricated by Using Domestic Powder and Global-Brand Powder  

Kim, Yong-In (Department of Materials Science and Engineering, Seoul National University of Science and Technology)
Lee, Seung-Mi (Department of Materials Science and Engineering, Seoul National University of Science and Technology)
Byeon, Jai-Won (Department of Materials Science and Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of Applied Reliability / v.15, no.3, 2015 , pp. 216-221 More about this Journal
Abstract
Sintering behavior of 3%yttria-stabilized zirconia was comparatively studied using a spray-dried powder produced by a domestic and global company. Quality of the sintered block was analysed in terms of relative density, shrinkage rate, grain growth, hardness, and fracture toughness. Relative density, shrinkage rate, and hardness value of the finally sintered block was similar between domestic and global zirconia powder, respectively. But, flexural strength of the domestic powder specimen was about 70% of the sintered block produced by using a global powder. The poor sintering quality of the domestic powder was discussed in relation with compressibility of the spray-dried granule-type powder and the amount of monoclinic phase in the as-received powder.
Keywords
Zirconia; Powder; Quality; Strength; Sintering;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Garvie, R. C., Hannink, R. H., and Pascoe, R. T. (1975), Ceramic steel?, Nature, Vol. 258, pp. 703-704.   DOI
2 Gupta, T. K. (1978), Sintering of Tetragonal Zirconia and It's Characteristics, Sci. Sintering, Vol. 10, No. 3, pp. 205-216.
3 Kim Y. I., Sung, S. H., Lee, S. M., Lee, W., Lee, S. H., Lim, B. S., and Byeon, J. W. (2012), Sintering Behavior of 3%-Yttria-Stabilized CAD/CAM Dental Zirconia with Different Types of Commercial Powder, J. ceramic processing research, Vol. 13, No. 1, pp. s31-s36.
4 Lawson, S. (1995), Environmental Degradation of Zirconia Ceramics, J. Euro. Ceram. Soc, Vol. 15, No. 6, pp. 485-502.   DOI
5 Lazar, D. R. R., Bottino, M. C., Ozcan, M., Valandro, L. F., Amaral, R., Ussui, V., and Bressiani Ana H. A. (2008), Y-TZP ceramic processing from co precipitated powders : A comparative study with three commercial dental ceramics, Dent. Mater., Vol. 24, No. 12, pp. 1676-1685.   DOI
6 Mazaheri, M., Simchi, A., and Golestani-Fard, F., (2008), Densification and grain growth of nanocrystalline 3Y-TZP during two-step sintering, J. Euro. Ceram. Soc., Vol. 28, No. 15, pp. 2933-2939.   DOI
7 Munoz-Tabares, J. A., Jimenez-Pique, E., Reyes-Gas, J., and Anlada, M. (2011), Microstructural changes in ground 3Y-TZP and their effect on mechanical properties, Acta Mater., Vol. 59, No. 17, pp. 6670-6683.   DOI
8 Park, M. J., Yang, S. K., and Kang, J. B. (2006), Effects of Composition and Additives on the Mechanical Characteristics of 3Y-TZP, J. Kor. Ceram. Soc., Vol. 43, No. 10, pp. 640-645.   DOI
9 Piconi, C. and Maccauro, G. (1999), Zirconia as a ceramic biomaterial, Biomaterials, Vol. 20, No. 1, pp. 1-25.   DOI
10 Pittayachawan, P., McDonald, A., Petrie, A., and Knowles, J. C. (2007), The biaxial flexural strength and fatigue property of $Lava^{TM}$ Y-TZP dental ceramic, Dental Materials, Vol. 23, No. 8, pp. 1018-1029.   DOI
11 Tomaszewski, H., Strzeszewski, J., and Gebicki, W. (1999), The Role of Residual Stresses in Layered Composites of Y-$ZrO_2$ and $Al_2O_3$, J. Euro. Ceram. Soc., Vol. 19, pp. 255-262.   DOI
12 Xue, F., Lu, J., and Ma, J. (2009), Theoretical study of densification of nano-sized 3Y-TZP powder: density-grain growth coupling model, J. Nanopart Research, Vol. 11, No. 7, pp. 1719-1727.   DOI
13 Yillmaz, H., Aydin, C., and Gul, B. E. (2007), Flexural strength and fracture toughness of dental core ceramics, Prosthetic Dentistry, Vol. 98, No. 2, pp. 120-128.   DOI