eFunda: Properties of Piezo Material Barium Titanate
engineering fundamentals Piezo Data: BaTiO
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Barium Titanate
Crystal symmetry class Tetragonal 4mm
Density 6020 kg/m3
Constitutive data is presented in the Strain-Charge format.
Compliance
8.05 -2.35 -5.24 0 0 0
-2.35 8.05 -5.24 0 0 0
-5.24 -5.24 15.7 0 0 0
0 0 0 18.4 0 0
0 0 0 0 18.4 0
0 0 0 0 0 8.84
*10-12 
Piezoelectric Coupling
0 0 0 0 392 0
0 0 0 392 0 0
-34.5 -34.5 85.6 0 0 0
*10-12 
Relative Permittivity
2920 0 0
0 2920 0
0 0 168
8.854 *10-12 
For a description of the ordering convention used to layout the constitutive matrices, see Subscript Ordering.
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