AS4/3501-6 quasi-isotropic CFRP is a carbon fiber reinforced epoxy composite with balanced fiber orientation (0°, ±45°, and 90°) designed to provide uniform stiffness and strength in multiple load directions. The layup consists of eight plies of Hexcel AS4 carbon fiber in a 3501-6 epoxy matrix, processed via autoclave prepreg curing, creating a material suitable for applications requiring multidirectional load resistance without a dominant stress direction. This quasi-isotropic architecture makes it a go-to choice over unidirectional or angle-ply laminates when loading conditions are complex or unpredictable, though engineers sacrifice peak performance in any single direction compared to tailored layups.
Compliance & Regulations
Fiber Direction
Ply Schedule
Laminate Code
[0/45/-45/90/90/-45/45/0]s
Fiber angles relative to the 0° reference direction (red arrow in 3D view). 0° = longitudinal, 90° = transverse, ±45° = shear paths.
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G) | 21.00 | GPa | — | ||
Ultimate Tensile Strength(σUTS) | 580.0 | MPa | — | ||
Young's Modulus(E) | 55.00 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | 473 | K | — | ||
Maximum Service Temperature(Tmax) | 450 | K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 1.580 | kg/m³ | — |