Engineered laminate of S2-449/PR 381 Tape, stacked [+-45/90/+-45]:s. Properties here are laminate-level effective values in the laminate's own axes — not the lamina constants, which live on the parent prepreg (S2-449/PR 381 Tape). From MIL-HDBK-17-2F Volume 2 (US Government work, public domain).
Compliance & Regulations
Fiber Direction
Ply Schedule
Laminate Code
[45/-45/90/45/-45/-45/45/90/-45/45]s
Fiber angles relative to the 0° reference direction (red arrow in 3D view). 0° = longitudinal, 90° = transverse, ±45° = shear paths.
6 interactive curves for this material
Stress-strain, S-N fatigue and environmental knockdown curves are free with an account.
Create free account| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Modulus(Ec) | Curve (3 pts) | ksi | CTA · 1-axis · [0]:5 · norm. thk+FAW | ||
Compressive Strength(σc) | Curve (3 pts) | ksi | CTA · 1-axis · [0]:5 · norm. thk+FAW | ||
Elongation at Break(εf) | Curve (3 pts) | - | CTA · 1-axis · [0]:5 · as-measured | ||
Interlaminar Shear Strength(ILSS) | Curve (3 pts) | ksi | CTA · 13-axis · [0]:12 · as-measured | ||
Shear Modulus(G) | Curve (3 pts) | ksi | CTA · 12-axis · [+-45]:2s · as-measured | ||
Ultimate Shear Strength(Fsu) | Curve (3 pts) | ksi | CTA · 12-axis · [+-45]:2s · as-measured | ||
Ultimate Tensile Strength(σUTS)2 entries | 24.90 range 23.90–25.90n=10, 2 batches, CV 2.29% | ksi | 23°C · RTA · y-axis · [+-45/90/+-45]:s · norm. thk+FAW | ||
| ↳ | 26.20 range 24.70–27.30n=10, 2 batches, CV 2.94% | ksi | 23°C · RTA · y-axis · [+-45/90/+-45]:s · as-measured | ||
Young's Modulus(E)2 entries | 2,150 range 2,100–2,200n=10, 2 batches, CV 1.33% | ksi | 23°C · RTA · y-axis · [+-45/90/+-45]:s · norm. thk+FAW | ||
| ↳ | 2,260 range 2,180–2,390n=10, 2 batches, CV 3.5% | ksi | 23°C · RTA · y-axis · [+-45/90/+-45]:s · as-measured |