High Strain Rate Test Machine

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High strain rate test machine Instron VHS PLS100/20M
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- 9.35 MB
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Credit: DLR (CC BY-NC-ND 3.0).
Experiment of an integrated composite crash absorber
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Experiment of an integrated composite crash absorber at a transient dynamic crush loading rate of 6.7 m/s using a 10° off-axis impact plate.

Credit: DLR (CC BY-NC-ND 3.0).
Experiment of a composite bolted joint absorber
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Experiment of a composite bolted joint absorber at a transient dynamic loading rate of 2 m/s.

Credit: DLR (CC BY-NC-ND 3.0).
Pull-through test of a composite bolted joint
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Pull-through test of a composite bolted joint at a transient dynamic loading rate of 4 m/s.

Credit: DLR (CC BY-NC-ND 3.0).
Single lap shear test of a composite bolted joint
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Single lap shear test (unsupported) of a composite bolted joint at a transient dynamic loading rate of 4 m/s.

Credit: DLR (CC BY-NC-ND 3.0).
Dynamic test of Aluminium Alloy 2024 T-3
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Dynamic test of Aluminium Alloy 2024 T-3 for material tensile properties at a target strain rate of 400 s-1 .

Credit: DLR (CC BY-NC-ND 3.0).
Dynamic test of carbon/epoxy composite
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Dynamic test of carbon/epoxy composite for material in-plane shear properties by the ± 45° tension test method at a target strain rate of 300 s-1.

Credit: DLR (CC BY-NC-ND 3.0).
Dynamic test of 3-D woven composite
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Dynamic test of 3-D woven composite in warp direction at a target strain rate of 100 s-1.

Credit: DLR (CC BY-NC-ND 3.0).

A high strain rate test machine is available for the determination of mechanical material properties as well as for the investigation of structural components and their failure behaviour. Loading of a material or a structural component can be realised up to 500,000 times faster compared to quasi-static loading in a standard test machine.

Measured quantities such as force, displacement or strain signals from strain gauges can be recorded using fast transient recorders. High-speed cameras can be combined with digital 2D or 3D image correlation for optical deformation analysis.

Depending on the fixture and test device, test articles can be tested under tension, compression, shear or bend loading.

The tests enable the determination of simulation input data and the validation of transient dynamic simulations. Also, structural components can be tested under crash relevant loading rates to investigate design approaches or crash absorber concepts.

Technical data:

Dynamic test force (max.)	+/-100 kN
Static test force (max.)	+/-150 kN
Test speed	1–20 m/s and 0–0.2 m/s
Piston displacement (max.)	±150 mm

Contact

Yves Toso
German Aerospace Center
Institute of Structures and Design
Stuttgart
Tel.: +49 711 6862-699
Fax: +49 711 6862-227

Matthias Waimer
German Aerospace Center
Institute of Structures and Design , Structural Integrity
Stuttgart
Tel.: +497116862-648

Digital High-Speed Video Camera

Optical Deformation Analysis