Numerical Analysis of the Influences of Geometrical Deviation on Delamination in Composite Laminates around the Countersunk Hole

Table 1

Mechanical properties of IMS194/CYCOM977-2 laminate [20].

E11 (GPa)	E22 = E33 (GPa)	G12 = G13 (GPa)	G23 (GPa)	υ12 = υ13	υ23
165	8.17	4.27	3.17	0.33	0.48
XT (MPa)	XC (MPa)	YT = ZT (MPa)	YC = ZC (MPa)	S12 = S13 = S23 (MPa)
3150	1450	81.4	270	108