A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention provides a ceramic composition. The ceramic composition is prepared from, by weight, 6-12 parts of B2O3, 16-20 parts of Al2O3 and 30-40 parts of SrTiO3. By the adoption of the technical scheme, the ceramic composition which has the features that the shrinkage behavior of a ceramic sintering body can be controlled easily during calcination and meanwhile the dielectric property is improved can be obtained, and the ceramic composition which has the features that control over the shrinkage behavior and the dielectric property can be achieved at the same time can be obtained. Particularly, the ceramic composition which has the features that the relative dielectric constant epsilon r is larger than 45, the Q value is larger than 800, the insulation resistance log IR is larger than 12, the shrinkage behavior can be controlled easily during calcination and the sinterability is good can be obtained.
The invention provides a ceramic composition. The ceramic composition is prepared from, by weight, 6-12 parts of B2O3, 16-20 parts of Al2O3 and 30-40 parts of SrTiO3. By the adoption of the technical scheme, the ceramic composition which has the features that the shrinkage behavior of a ceramic sintering body can be controlled easily during calcination and meanwhile the dielectric property is improved can be obtained, and the ceramic composition which has the features that control over the shrinkage behavior and the dielectric property can be achieved at the same time can be obtained. Particularly, the ceramic composition which has the features that the relative dielectric constant epsilon r is larger than 45, the Q value is larger than 800, the insulation resistance log IR is larger than 12, the shrinkage behavior can be controlled easily during calcination and the sinterability is good can be obtained.
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