Table 2: Elastic engineering constants for glass-fiber/epoxy and carbon fiber/epoxy composites [5].

PropertyGFRPCFRP

Longitudinal Young’s modulus (), GPa41.7208.3
Transverse Young’s modulus (), GPa13.06.5
Longitudinal shear modulus (), GPa3.41.65
Transverse shear modulus (), GPa4.582.3
Longitudinal Poisson’s ratio ()0.30.255
Transverse Poisson’s ratio ()0.450.413