Abstract
The influence of glass composition on mechanical property of BaTiO3 ceramics was investigated with nanoindentation technique and also its effect on densification and dielectric property was analyzed. Two different glasses of BaO-CaO-SiO2 and BaO-ZrO2-SiO2 system were used as the sintering aid of BaTiO3 powder. It was found that the addition of BaO-ZrO2-SiO2 glass to BaTiO3 was beneficial for the densification compared to that of BaO-CaO-SiO2 glass, resulting in high dielectric constant over 2500, the hardness vale of 13.6 GPa and the elastic modulus of 167.9 GPa after sintering at 1240°C.
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