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Ensinger PEI

Harris Acoustic Sensors EC-31 Barium Titanate Piezoelectric  (discontinued **)
Categories: Ceramic; Oxide; Titanium Oxide; Piezoelectric

Material Notes: This modified barium titanate which combines high voltage sensitivity with good temperature characteristics - 10 to 60°C range. This is a proven material for hydrophones and other receiving devices and low power projectors, ideal for fish-finder applications.

Data provided by Harris Acoustic Sensors. Harris Acoustic Sensors has acquired EDO Ceramics.

Key Words: BaTiO3; Barium Titanium Oxide
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 5.55 g/cc0.201 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Modulus of Elasticity 107 GPa15500 ksiYoung's Modulus
 
Electrical PropertiesMetricEnglishComments
Curie Temperature 115 °C239 °F
Dielectric Constant 1170
@Frequency 1000 Hz
1170
@Frequency 1000 Hz
Dissipation Factor 0.0070
@Frequency 1000 Hz
0.0070
@Frequency 1000 Hz
low field
Piezoelectric Longitudinal Coupling Factor, k33 0.480.48
Piezoelectric Transverse Voltage Coefficient, d31, 10^-12 m/V -59.0-59.0strain/field at constant stress
Piezoelectric Shear Charge Coefficient, d15, 10^-12 m/V 248248strain/field at constant stress
Piezoelectric Longitudinal Voltage Coefficient, g33, 10^-3 V-m/N 14.814.8field/stress at constant charge density
Piezoelectric Planar Coupling Factor, kp 0.320.32
Piezoelectric Mechanical Q 400400Thin Disk
Piezoelectric Shear Coupling Factor, k15 0.490.49
Piezoelectric Longitudinal Charge Coefficient, d33, 10^-12 m/V 152152strain/field at constant stress
Piezoelectric Transverse Voltage Coefficient, g31, 10^-3 V-m/N -5.80-5.80field/stress at constant charge density
Piezoelectric Shear Voltage Coefficient, g15, 10^-3 V-m/N 20.420.4field/stress at constant charge density
Piezoelectric Transverse Coupling Factor, k31 0.190.19
 
Thermal PropertiesMetricEnglishComments
Thermal Conductivity 2.90 W/m-K20.1 BTU-in/hr-ft²-°FLiterature value for BaTiO3
Melting Point 1617 °C2943 °FLiterature value for BaTiO3

**
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