Fiber
Aramid fiber (Kevlar 49)
High-stiffness aramid; excellent specific strength and damage tolerance, weak in compression.
| Property | Value | Source | Method | Conditions | Note |
|---|---|---|---|---|---|
| Density | 1.44 g/cm³ | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | — | 23 °C, dry | — |
| Young's modulus E | 131 GPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | — | 23 °C, dry | axial |
| Tensile strength | 3620 MPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | — | 23 °C, dry | — |
Compare with
Sources
- Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed.
Typical room-temperature values for learning and preliminary design; grades vary. Always confirm against the supplier datasheet before design work. Data policy: docs/DATA-SOURCES.md in the repository.