Table 6 Mechanical properties of the glass fiber and epoxy resin.

From: Free vibration optimization of 2D tri-axial braided composite fan blade with ANN-Anal-FEM-GA integrated model

Property

Fiber

Matrix

Material type

E-Glass

Epoxy LR625

Elastic modulus (GPa)

73.98

2.79

Shear modulus (GPa)

29.92

1.03

Poisson’s ratio

0.22

0.35

Density (g/cm3)

2.54

1.16

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