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Barium Titanate

Barium Titanate. By: Andy Selvy Cer. 251. Barium Titanate. General Info Commercial uses Phase Diagram. BaTiO 3 Info. BaO + TiO 2. BaTiO 3. BaTiO 3 Properties Perovskite Structure Piezoelectricity Density 5.85 g/cm^3 High Dielectric constant. Underwater Sonar Guided Missiles

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Barium Titanate

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  1. Barium Titanate By: Andy Selvy Cer. 251

  2. Barium Titanate • General Info • Commercial uses • Phase Diagram

  3. BaTiO3 Info BaO + TiO2 BaTiO3

  4. BaTiO3 Properties • Perovskite Structure • Piezoelectricity • Density 5.85 g/cm^3 • High Dielectric constant

  5. Underwater Sonar Guided Missiles Acoustic Mines Sound Reproduction Ultrasonic Therapy Electronic Materials Ultrasonic Cleaning Filters Uses for BaTiO3

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

  7. BaTiO3Phase Diagram

  8. Let’s build up the phase diagram. Start with the empty diagram

  9. Let’s build up the phase diagram. BaTiO3 Liquid Label important phase fields Ba2TiO4+Liq TiO2 + Liq Ba2TiO4 +Hex BaTiO3 BaO+Ba2TiO4 Cubic BaTiO3 + Liq Ba2TiO4 + Cubic BaTiO3 BaTi4O9 + TiO2 Cubic BaTiO3+BaTi2O5

  10. Some finishing touches Eutectic Points Congruent Melting Pts Peritectic Points Some important points

  11. The End

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