Testing Products for ASTM D3528
APP-D3528Double Lap Shear Adhesive Joints in Tension.
Application Insight:
Superior to D1002; eliminates eccentric peel forces during the pull.
Pro Tip:
Fixture Alignment: Use hydraulic wedge grips to ensure 50/50 load split.
Regulatory & Test Details
| App Id | APP-D3528 |
|---|---|
| App Standard | ASTM D3528 |
| Standard Organization | ASTM |
| Test Type | Lap Shear |
| Material Type | Adhesives |
| Specimen Type | Double Lap Joint |
| Industry Type | Manufacturing |
| Min Force Kn | 5 |
| Max Force Kn | 100 |
| Max Spd Mm/m | 1.27 |
| Pointer App Software | N-ASTM-D3528 |
| Pointer Fixture Family | G-ASTM-D3528 |
| Pointer Strain Family | E-ASTM-D3528 |
Implementation Commentary
Double-lap joints provide nearly pure shear stress by balancing the load across two planes, offering accurate Allowable Shear Stress for design.
Common Pitfalls
Asymmetry: Misaligned strips cause the load to favor one plane, leading to a 50% strength reduction.