Enhancement of the Piezoelectric Cantilever Beam Performance via Vortex-Induced Vibration to Harvest Ocean Wave Energy

Table 3

The properties of PZT-4.

Toughness constant (1/Y) 10^−12 (m^2/N)						Piezoelectric constant 10^−12 (C/N)			Relative dielectric constant
S11	S33	S44	S12	S13	S66	D31	D33	D15
0.5	20.7	43.5	−4.78	−8.45	−42.6	−186	670	660	3130	3400