eFunda: Properties of Piezo Material Barium Sodium Niobate
engineering fundamentals Piezo Data: BaNaNbO
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Barium Sodium Niobate
Crystal symmetry class Orthorhombic 2mm
Density 5300 kg/m3
Constitutive data is presented in the Strain-Charge format.
Compliance
5.3 -1.98 -1.2 0 0 0
-1.98 5.14 -1.25 0 0 0
-1.2 -1.25 8.33 0 0 0
0 0 0 15.4 0 0
0 0 0 0 15.2 0
0 0 0 0 0 13.2
*10-12 
Piezoelectric Coupling
0 0 0 0 42 0
0 0 0 52 0 0
-7 -6 37 0 0 0
*10-12 
Relative Permittivity
235 0 0
0 247 0
0 0 51
,  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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