Table 3 Mechanical parameters of materials.
Properties | Symbol | CFRP (F) | CFRP (P) | adhesive |
|---|---|---|---|---|
Density | ρ /(kg/m3) | 1650 | 1476 | 1400 |
Young’s modulus in longitudinal direction | E11 /MPa | 58,900 | 160,340 | 1850 |
Young’s modulus in transverse direction | E22 /MPa | 59,100 | 9670 | |
Poisson’s ratio | ν12 /MPa | 0.1 | 0.29 | |
In-plane shear modulus | G12 /MPa | 4000 | 4160 | 560 |
Out-of-plane shear modulus | G13,G23 /MPa | 4000 | 3000 | |
Longitudinal tensile strength | XT /MPa | 909.5 | 934.76 | 21.63 |
Longitudinal compressive strength | XC /MPa | 639.9 | 1200.25 | |
Transverse tensile strength | YT /MPa | 864.1 | 33.64 | |
Transverse compressive strength | YC /MPa | 587.7 | 164.40 | |
Out-of-plane shear strength | S13,S23 /MPa | 71.3 | 136 | 17.90 |
Longitudinal tensile fracture energy | GLT /(N/mm) | 50.5 | 91.8 | 0.43 |
Longitudinal compressive fracture energy | GLC /(N/mm) | 30.5 | 79.9 | |
Transverse tensile fracture energy | GTT /(N/mm) | 50.5 | 0.22 | 1.0 |
Transverse compressive fracture energy | GTC /(N/mm) | 30.5 | 0.76 |