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Advances in Materials Science and Engineering
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Advances in Materials Science and Engineering
/
2019
/
Article
/
Tab 1
/
Research Article
A Coupling Electromechanical Cell-Based Smoothed Finite Element Method Based on Micromechanics for Dynamic Characteristics of Piezoelectric Composite Materials
Table 1
Material constants for constituents of the PZT-5A and epoxy matrix.
Material constants
c
11
(GPa)
c
12
(GPa)
c
13
(GPa)
c
33
(GPa)
c
44
(GPa)
c
66
(GPa)
e
13
(C/m
2
)
e
15
(C/m
2
)
e
33
(C/m
2
)
χ
11
(F/m)
χ
33
(F/m)
ρ
(kg/m
3
)
Epoxy matrix
3.86
2.57
2.57
3.86
0.64
0.64
—
—
—
0.0797
0.0797
7500
PZt-5A
121.0
75.4
75.2
111.0
21.1
2.28
−5.4
12.3
15.8
8.11
7.35
7500
