2. Barium Titanate By: Andy Selvy Cer. 251

3. Barium Titanate General Info Commercial uses Phase Diagram

4. BaTiO 3 Info BaO + TiO 2 BaTiO 3

5. BaTiO 3 Properties Perovskite Structure Piezoelectricity Density 5.85 g/cm^3 High Dielectric constant

6. Uses for BaTiO 3 Underwater Sonar Guided Missiles Acoustic Mines Sound Reproduction Ultrasonic Therapy Electronic Materials Ultrasonic Cleaning Filters

7. Ceramic Capacitors Multilayer Ceramic Capacitors (MLCC) Barium titanate powder, Made into capacitors

8. BaTiO 3 Phase Diagram

9. Start with the empty diagram

10. Label important phase fields Liquid TiO 2 + Liq BaTiO 3 Cubic BaTiO 3 + Liq BaTi 4 O 9 + TiO 2 Ba 2 TiO 4 +Hex BaTiO 3 Ba 2 TiO 4 + Cubic BaTiO 3 Cubic BaTiO 3 +BaTi 2 O 5 Ba 2 TiO 4 +Liq BaO+ Ba 2 Ti O 4

11. Some important points Eutectic PointsCongruent Melting PtsPeritectic Points

12. The End