An Investigation on Low Velocity Impact Response of Multilayer Sandwich Composite Structures

Table 2

Geometrical properties of composite laminated sheet.

Sheet	Top	Internal	Bottom
Ply sequence	[0/45/90/−45/0]𝑠	[0/90/90/0]𝑠	[0/45/90/−45/0]𝑠
Thickness (mm)	1.25	1	1.25
Dimensions of the target in x-y plane (mm)	76.4×76.4