Reduction of Free Edge Peeling Stress of Laminated Composites Using Active Piezoelectric Layers

Table 1

Material properties of composite lamina and PZT-5H actuator.

Composite	Actuator
𝐸1=138 GPa	𝐸1=𝐸2=62 GPa
𝐸2=𝐸3=14.5 GPa	𝐸3=48 GPa
𝐺12=𝐺13=𝐺23=5.9 GPa	𝐺12=23.5 GPa, 𝐺13=𝐺23=23.5 GPa
𝜈12=𝜈23=𝜈21=0.21	𝜈12=𝜈23=𝜈21=0.29
	𝑑31=𝑑32=274×10^−12 m/V
	𝑑33=−593×10^−12 m/V, 𝑑15=−741×10^−12 m/V