EN 2561:1995
Carbon Fiber Reinforced Plastics — Unidirectional Laminates — Tensile Test Parallel to the Fiber Direction
EN 2561 determines the ultimate tensile strength, tensile modulus, and, if required, the Poisson's ratio and strain at failure in tension of carbon fiber reinforced plastics in the form of unidirectional laminates. This method applies only to specimens where the axis is parallel to the direction of the fibers; testing in the perpendicular direction is covered by the test methods in EN 2597.
This standard is used by a range of manufacturers working with carbon fiber laminates, including those in the aerospace, automotive, wind energy, and construction industries. EN 2561 is typically used for materials development, qualification, and quality control.
Standard At A Glance
Materials
- Composites
Test Types
- Tension
Standard
- EN 2561
Materials Testing System
Strain measurement is a key part of testing to EN 2561. Strain measurement devices include simple strain gauges and a wide range of extensometers. Strain gauges can be connected to the testing machine via easy-to-use strain gauge adapters. A range of suitable contacting extensometers for axial and bi-axial strain measurement are also available.
When strain at failure is required, a non-contacting strain measurement solution such as Instron's AVE2 is preferred. When tests need to be conducted at high or low temperatures, a temperature chamber, along with temperature-rated grips, is required.
| EN 2561 Testing Accessories | |
|---|---|
| Strain Gauge | |
| Biaxial Clip-On Extensometer | |
| Environmental Chamber | |
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