Laboratory equipment of the ELLF
![](/imperia/md/images/iml/fittosize__600_0_0f5894edabd406fc68c3221dd0a04ba2_biaxi.jpeg)
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
![](/imperia/md/images/iml/fittosize__600_0_e4df14ad6dffae5eb3ab9c6739397567_biax_ii.jpeg)
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
![](/imperia/md/images/iml/fittosize__600_0_321baa5e204fd7c73788565eb13b73ad_zwick_ellf.jpeg)
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
![](/imperia/md/images/iml/gallery/fittosize__600_0_f21e43da955dc2f9f20ec3675e6f2f99_folienzwick.jpg)
Static universal testing machine - 5 kN (Zwick/Roell)
- Performance of static uniaxial tensile tests
- Determination of the tear resistance
- Determination of the adhesive strength
![](/imperia/md/images/iml/gallery/fittosize__600_0_ffed930e3db4bfa3246a5e260ff7f7a1_bewitterungsstand.jpg)
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.
![](/imperia/md/images/iml/fittosize__600_0_77b705d237eff4014fba1596790496ce_biaxialer_dauerstand.jpeg)
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
![](/imperia/md/images/iml/fittosize__600_0_e53dae6e782b9276a7c84a051105e6b7_zeitstand_ellf.jpeg)
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)
![](/imperia/md/images/iml/fittosize__600_0_08aac59273e404bc20d4ff2016e9a265_digitalmikroskop_ellf.jpeg)
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
![](/imperia/md/images/iml/fittosize__600_0_4d483ea94aefdc3839dcb4dacfc61821_weitere_prüfungen_ellf.jpeg)
Further material tests
- Determination of the total surface mass
- Determination of the thickness
- Determination of the oblique and arc distortion