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Grain growth kinetic in xTiO2–6 wt.% Bi2O3–(94 − x) ZnO (x=0, 2, 4) ceramic system

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Abstract

The grain growth kinetics in the 0, 2 and 4 wt.% TiO2 added ZnO–6 wt.% Bi2O3 system was studied using the simplified phenomenological grain growth kinetics equation \(G^n = k \cdot t \cdot \exp ( - Q/R \cdot T)\) together with the physical properties of the sintered samples. The grain growth exponent value (n) and the apparent activation energy for the ZnO–6 wt.% Bi2O3 system was 5 and 218 kJ/ mol, respectively. The addition of the TiO2 to the ZnO–6 wt.% Bi2O3 system inhibited the ZnO grain growth. At 2 and 4 wt.% TiO2 additions, the apparent activation energies were calculated as 467 and 346 kJ/ mol, respectively. The addition of TiO2 to the system inhibited the grain growth of ZnO ceramics.

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Correspondence to Senol Yilmaz.

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Yilmaz, S., Ercenk, E., Toplan, H.O. et al. Grain growth kinetic in xTiO2–6 wt.% Bi2O3–(94 − x) ZnO (x=0, 2, 4) ceramic system. J Mater Sci 42, 5188–5195 (2007). https://doi.org/10.1007/s10853-006-0581-y

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  • DOI: https://doi.org/10.1007/s10853-006-0581-y

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