ASTM D3518/D3518M
Test Specimens
< D 3518 Test Specimen Drawing(SI) >
* D3518 Geometry Recommendations
| Fiber Orientation | Width [mm] | Overall length [mm] | Thickness [mm] | Tab Length [mm] | Tab Thickness [mm] | Tab Beval [。] |
|---|---|---|---|---|---|---|
| 0° unidirectional | 15 | 250 | 1.0 | 56 | 1.5 | 7 or 90 |
| 90° unidirectional | 25 | 175 | 2.0 | 25 | 1.5 | 90 |
| balanced and symmetric | 25 | 250 | 2.5 | emery cloth | - | - |
| random-discontinuous | 25 | 250 | 2.5 | emery cloth | - | - |
Calculation
* Maximum Shear Stress/Shear Stress
* Shear Modulus of Elasticity
