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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

Barium Titanate

By: Andy Selvy

Cer. 251

barium titanate2
Barium Titanate
  • General Info
  • Commercial uses
  • Phase Diagram
batio 3 info
BaTiO3 Info

BaO + TiO2

BaTiO3

slide4

BaTiO3 Properties

  • Perovskite Structure
  • Piezoelectricity
  • Density 5.85 g/cm^3
  • High Dielectric constant
uses for batio 3
Underwater Sonar

Guided Missiles

Acoustic Mines

Sound Reproduction

Ultrasonic Therapy

Electronic Materials

Ultrasonic Cleaning

Filters

Uses for BaTiO3
ceramic capacitors
Ceramic Capacitors
  • Multilayer Ceramic Capacitors (MLCC)

Barium titanate powder,

Made into capacitors

slide8

Let’s build up the phase diagram.

Start with the empty diagram

slide9

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

slide10

Some finishing touches

Eutectic Points

Congruent Melting Pts

Peritectic Points

Some important points