Abstract
The influence of various alumina additions on the optical property of zirconia/alumina composite ceramics was investigated. The relative sintered densities, transmittances, color and the microstructure of the composite ceramics were studied. The experimental results showed that the relative sintered densities and transmittances decreased with alumina addition. The lightness increased obviously but the chroma change was small. Pure zirconia nanopowders sintered densely could obtain the relatively high transmittance, while the transmittance and the lightness of slight addition changed significantly. The zirconia/alumina composite ceramics with alumina addition less than 7.5wt% could achieve the relatively stable and reliable optical properties.
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Funded by the National High-Tech Research and Development Program of China (863 Program) (No. 2006AA03Z440)
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Jiang, L., Liao, Y., Li, W. et al. Influence of alumina addition on the optical property of zirconia/alumina composite dental ceramics. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 26, 690–695 (2011). https://doi.org/10.1007/s11595-011-0294-1
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DOI: https://doi.org/10.1007/s11595-011-0294-1