ASTM D3039/D3039M
Test Specimens
< Tension Test Specimen Drawing(SI) >
* Tensile Specimen 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 |
| 90unidirectional | 25 | 175 | 2.0 | 25 | 1.5 | 90 |
| balanced and symmetric | 25 | 250 | 2.5 | emery cloth | - | - |
| random-discon tinuous | 25 | 250 | 2.5 | emery cloth | - | - |
* Constant Head-Speed Tests: A standard head displacement rate of 2mm/min [0.05in/min]
Calculation
* Tensile Stress/Tensile Strength
* Tensile Chord Modulus of Elasticity
