Abstract
100 Nm BaTiO3 Powders with the Content of 0, 0.5, 1, 5, 10 and 20% were Added into 1μm Al2O3 Powders, Dense Al2O3-Based Composites with Dispersed BaTiO3 Particulates were Fabricated by Conventional Pressure-Less Sintering at 1500°C. the Results Showed that there is a Non-Linear Relationship between the Addition Content of Fine-Grained Particles and the Flexural Strength of Al2O3 Ceramic. when the Content of Doping BaTiO3 Powders Reached around 5 % (mol), the Maximum Vickers Hardness of 137 and the Highest Break Strength of 269MPa were Achieved. Moreover, the Stress-Strain Curves have the same Characteristics of Ceramics.
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