UD lamina
E-glass/epoxy UD lamina
Unidirectional lamina, Vf ≈ 0.55. Use with the laminate calculator.
| Property | Value | Source | Method | Conditions | Note |
|---|---|---|---|---|---|
| Density | 2.1 g/cm³ | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | — | 23 °C, dry | — |
| E₁ (longitudinal) | 39 GPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | ASTM D3039 | 23 °C, dry | — |
| E₂ (transverse) | 8.6 GPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | ASTM D3039 | 23 °C, dry | — |
| G₁₂ (in-plane shear) | 3.8 GPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | ASTM D3518 | 23 °C, dry | — |
| ν₁₂ (major Poisson) | 0.28 – | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | — | 23 °C, dry | — |
| Xt (long. tension) | 1080 MPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | ASTM D3039 | 23 °C, dry | — |
| Xc (long. compression) | 620 MPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | ASTM D3410 | 23 °C, dry | — |
| Yt (transv. tension) | 39 MPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | ASTM D3039 | 23 °C, dry | — |
| Yc (transv. compression) | 128 MPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | ASTM D3410 | 23 °C, dry | — |
| S (in-plane shear) | 89 MPa | Daniel & Ishai, Engineering Mechanics of Composite Materials, 2nd ed. | ASTM D3518 | 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.