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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 By: Andy Selvy Cer. 251
Barium Titanate • General Info • Commercial uses • Phase Diagram
BaTiO3 Info BaO + TiO2 BaTiO3
BaTiO3 Properties • Perovskite Structure • Piezoelectricity • Density 5.85 g/cm^3 • High Dielectric constant
Underwater Sonar Guided Missiles Acoustic Mines Sound Reproduction Ultrasonic Therapy Electronic Materials Ultrasonic Cleaning Filters Uses for BaTiO3
Ceramic Capacitors • Multilayer Ceramic Capacitors (MLCC) Barium titanate powder, Made into capacitors
Let’s build up the phase diagram. Start with the empty diagram
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
Some finishing touches Eutectic Points Congruent Melting Pts Peritectic Points Some important points