eFunda: Properties of Piezo Material Tellurium Dioxide
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Tellurium Dioxide
Crystal symmetry class Tetragonal 422
Density 5990 kg/m3
Constitutive data is presented in the Strain-Charge format.
Compliance
115 -105 -2.11 0 0 0
-105 115 -2.11 0 0 0
-2.11 -2.11 10.3 0 0 0
0 0 0 37.7 0 0
0 0 0 0 37.7 0
0 0 0 0 0 15.2
*10-12 
Piezoelectric Coupling
0 0 0 8.13 0 0
0 0 0 0 -8.13 0
0 0 0 0 0 0
*10-12 
Relative Permittivity
22.9 0 0
0 22.9 0
0 0 24.7
,  8.854 *10-12 
For a description of the ordering convention used to layout the constitutive matrices, see Subscript Ordering.
Glossary
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