eFunda: Properties of Piezo Material Rochelle Salt
engineering fundamentals Piezo Data: Rochelle_Salt
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Rochelle Salt
Crystal symmetry class Orthorhombic 222
Density 1767 kg/m3
Constitutive data is presented in the Strain-Charge format.
Compliance
52 -16.3 -11.6 0 0 0
-16.3 36.8 -12.2 0 0 0
-11.6 -12.2 35.9 0 0 0
0 0 0 150.2 0 0
0 0 0 0 350.3 0
0 0 0 0 0 104.2
*10-12 
Piezoelectric Coupling
0 0 0 345 0 0
0 0 0 0 54 0
0 0 0 0 0 12
*10-12 
Relative Permittivity
205 0 0
0 9.6 0
0 0 9.5
8.854 *10-12 
For a description of the ordering convention used to layout the constitutive matrices, see Subscript Ordering.
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