Micromechanics of Cracked Laminates under Uniaxial Load: A Comparison between Approaches

Table 2

Elastic engineering constants for glass-fiber/epoxy and carbon fiber/epoxy composites [5].

Property	GFRP	CFRP
Longitudinal Young’s modulus (), GPa	41.7	208.3
Transverse Young’s modulus (), GPa	13.0	6.5
Longitudinal shear modulus (), GPa	3.4	1.65
Transverse shear modulus (), GPa	4.58	2.3
Longitudinal Poisson’s ratio ()	0.3	0.255
Transverse Poisson’s ratio ()	0.45	0.413