Laboratory equipment of the ELLF
Servo-hydraulic static biaxial tensile testing machine - 50 kN (Walter + Bai)
- Execution of biaxial force-strain measurements
- Non-contact strain measurement via an optical measuring system
- Tempering of the tests (-30 bis 70 °C) through the use of a tempering chamber
Servo-hydraulic static biaxial tensile testing machine - 20 kN (Self-built/Walter + Bai)
- Execution of biaxial force-strain measurements
- Non-contact strain measurement via an optical measuring system
- Performance of Wide Panel Tear Tests according to the requirements of the European Design Guide for Tensile Surface Structures
Static universal testing machine - 50 kN (Zwick/Roell)
- Performance of static uniaxial tensile tests
- Execution of component tests (e.g. edge details)
- Determination of the residual strength after buckling
- Tempering of the tests (-60 bis 125 °C) through the use of a tempering chamber
Static universal testing machine - 5 kN (Zwick/Roell)
- Performance of static uniaxial tensile tests
- Determination of the tear resistance
- Determination of the adhesive strength
accelerated weathering machine
- Execution of artificial rapid weathering with UV radiation, high temperature or temperature fluctuations, irrigation and condensation
- Large sample dimensions up to 490 mm x 300 mm are possible.
Biaxial creep test bench (Self-built)
- Performance of biaxial tensile creep tests
- Application of the loads via a deflection system
- Non-contact strain measurement via an optical measuring system
- Measurement of the strains in the middle field and in the arms of the cross specimen
Endurance test machine (Frank)
- Performance of uniaxial endurance tests and tensile creep tests
- Application of the loads via a lever system
- Recording of the testing time via time measuring devices
- Observation of creep deformations with a cathetometer
- Tempering of the tests (> 23 bis 70 °C)
Digital microscope (Keyence)
- Performance of microscopic examinations with 20 to 5000x magnification
- Saving the microscope images as jpg or tiff files
- Measurement of recorded areas by software
- Possibility of mobile use
Further material tests
- Determination of the total surface mass
- Determination of the thickness
- Determination of the oblique and arc distortion