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J. Korean Ceram. Soc. > Volume 50(4); 2013 > Article
Journal of the Korean Ceramic Society 2013;50(4): 257.
doi: https://doi.org/10.4191/kcers.2013.50.4.257
Modification of Yttrium-Stabilized Zirconia Ceramics Using Calcium Phosphate
Myung Chul Chang
Department of Materials Science and Engineering, Kunsan National University
A biomimetic approach was applied for the chemical deposition of calcium phosphate (CaP) coatings on 3 mole% yttrium-stabilized zirconia [3YSZ] powders. The solid-state reaction of 3YSZ powders with the addition of CaP was investigated for the development of biodegradable zirconia ceramics. The solid-state interaction between the 3YSZ matrix powders and the CaP additives differed from the behavior of commercial zirconia matrix powders. The 3YSZ powders were chemically reacted with precursors for the CaP formation. 3YSZ powders were mixed in an aqueous solution of Ca-P precursors and the CaP was precipitated on the surface of the 3YSZ matrix powders. The CaP-doped YSZ powders were calcined at $1100^{circ}C$ and shaped powder blocks were then fired at $1600^{circ}C$ for 2 h. The CaP phase formation was investigated using FE-SEM and XRD analysis.
Key words: Calcium phosphate, Zirconia, Solid-state interaction
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