Harris Acoustic Sensors EC-67 Lead Zirconium Titanate Piezoelectric

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Harris Acoustic Sensors EC-67 Lead Zirconium Titanate Piezoelectric
Categories:	Ceramic; Oxide; Titanium Oxide; Zirconium Oxide; Piezoelectric
Material Notes:	Meets DOD STD 1376A for high drive requirements yet has higher coupling properties. This is an excellent choice for some of the new low frequency, high power applications; flextensional designs. < Data provided by Harris Acoustic Sensors. Harris Acoustic Sensors has acquired EDO Ceramics. This grade is available from Harris.
Key Words:	PZT; PbZrO3 - PbTiO3 Solid Solution
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Physical Properties	Original Value	Comments

Density	7.50 g/cc

Mechanical Properties	Original Value	Comments
Modulus of Elasticity	93.0 GPa	Young's Modulus

Electrical Properties	Original Value	Comments
Curie Temperature	300 °C
Dielectric Constant	1100 @Frequency 1000 Hz
Dissipation Factor	0.0030 @Frequency 1000 Hz	low field
Piezoelectric Longitudinal Coupling Factor, k33	0.66
Piezoelectric Transverse Voltage Coefficient, d31, 10^-12 m/V	-107	strain/field at constant stress
Piezoelectric Shear Charge Coefficient, d15, 10^-12 m/V	362	strain/field at constant stress
Piezoelectric Longitudinal Voltage Coefficient, g33, 10^-3 V-m/N	24.8	field/stress at constant charge density
Piezoelectric Planar Coupling Factor, kp	0.56
Piezoelectric Mechanical Q	900	Thin Disk
Piezoelectric Shear Coupling Factor, k15	0.59
Piezoelectric Longitudinal Charge Coefficient, d33, 10^-12 m/V	241	strain/field at constant stress
Piezoelectric Transverse Voltage Coefficient, g31, 10^-3 V-m/N	-10.9	field/stress at constant charge density
Piezoelectric Shear Voltage Coefficient, g15, 10^-3 V-m/N	28.7	field/stress at constant charge density
Piezoelectric Transverse Coupling Factor, k31	0.33

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