Finite Element Modeling of a Piezoelectric Composite Beam and Comparative Performance Study of Piezoelectric Materials for Voltage Generation

Table 4

Piezoelectric Material Properties.

(1) Elasticity matrix (𝐶𝐄), × 10^10 Pa
12.03467.517917.509010007.519112.03467.509010007.509017.5090111.08670000002.105260000002.105260000002.25734		12.72058.021228.467020008.0212212.72058.467020008.467028.4670211.74360000002.298850000002.298850000002.34742
PZT-5A		PZT-5A
13.89997.783667.428360007.7836613.89997.428360007.428367.4283611.74360000002.5640000002.56410000003.0581		13.39.859.630009.8513.39.630009.639.6310.20000007.140000007.140000006.67
PZT-4		PMN32
(2) Coupling matrix (e), C/m^2
000012.2947000012.294700−5.35116−5.3511615.7835000		000017.0345000017.034500−6.62281−6.6228123.2403000
PZT 5A		PZT-5H
000012.7179000012.717900−5.20279−5.2027915.0804000		000013.57143000013.5714300−3.7795−3.779525.68634000
PZT-4		PMN32
(3) Relative permittivity,  𝜀𝑟𝑠
919.1000919.1000826.6		1704.40001704.400081433.6
PZT-5A		PZT-5H
762.5000762.5000663.2		330900033090001264
PZT-4		PMN32
(4) Mass density (𝜌), kg/m^3
PZT-5A	PZT-5H	PZT-4	PMN32
7750	7500	7500	8040