Testing Products for ASTM D7137
APP-D7137Compressive Residual Strength of Damaged Composites (CAI). Compression After Impact.
Application Insight:
Measures how much strength remains after a bird strike or tool drop.
Pro Tip:
Specimen must be impacted per ASTM D7136 first.
Regulatory & Test Details
| App Id | APP-D7137 |
|---|---|
| App Standard | ASTM D7137 |
| Standard Organization | ASTM |
| Test Type | Compression |
| Material Type | Composites |
| Specimen Type | Impacted Plate |
| Industry Type | Aerospace |
| Min Force Kn | 10 |
| Max Force Kn | 500 |
| Max Spd Mm/m | 1.27 |
| Pointer App Software | N-ASTM-D7137 |
| Pointer Fixture Family | G-ASTM-D7137 |
| Pointer Strain Family | E-ASTM-D7137 |
Implementation Commentary
This test defines the design allowable for most aircraft skins.
Common Pitfalls
Buckling of the plate due to poor edge support.