Methods
- Mechanical Testing
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Quasistatic Tensile, Compression, Bending and Peel Testing
Determination of e.g. tensile, shear and flexural modulus, tensile, compressive, shear, flexural and peel strength according various DIN EN ISO/ ASTM standards.
Force range: 0,05 N - 100 kN, optional thermal chamber (-80°C to 250°C)
Strain measurement: Contact Extensometer, Video Extensometer, high resolution and high speed 3D Digital Image Correlation (Zeiss ARAMIS)
Fatigue and Fracture Testing
Determination of dynamic material parameters (e.g. fatigue, storage and loss modulus, crack propagation).
Force range: 1 N - 50 kN, Frequency up to 100 Hz, Displacement up to +/-80 mm, optional thermal chamber (-80°C to 315°C)
Optional temperature detection on the sample surface using an IR Camera system with a spatial resolution up to 5 µm (Temperature range -20°C – 1000°C).
True Biaxial Tensile Testing
Determination of the stress strain behavior under true biaxial loading
Force up to 1 kN, Frequency up to 80 Hz
Temperature-Scanning-Stress-Relaxation Tester (TSSR-Meter)
Measurement of the mechanical-thermal properties of elastomers and thermoplastics at constant elongation under continuously and uniformly increasing temperature
Hardness Testing
Ball indentation hardness and Shore A and D hardness measurement (DIN 53505)
Impact Testing
Impact bending test (1 - 15 J) according to CHARPY (DIN EN ISO 179-1) or IZOD (DIN EN ISO 180) standard to determine the fracture toughness
Puncture Testing
Determination of the puncture resistance on films (EN 14477, ASTM F1306)
Friction Testing
Determination of the friction coefficient of polymer materials.
Density measurement
Determination of material density using a helium micro-pycnometer or buoyancy method
- Micromechanical Testing
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Single Fiber Pull-out Testing
Micromechanical composite testing including production of single-fiber model composites (heating up to 400°C, argon inert gas)
Displacement resolution min. 2 µm, Pull-out speed min. 0.01 µm/s, Force: up to 2.5 N ± 0,05 mNT
Single Fiber Tensile Testing
Fineness determination and tensile test on single fibers
Force range: 0.1 - 600 cN; Fineness measurement range 0.5 - 200 dtex, Clamping length 2 - 100 mm, Test speed 0.01-200 mm/min
- Thermal Analysis
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Dynamic Mechanical Analysis (DMA)
Determination of viscoelastic properties
Temperature range: -145 to 600°C (LN2), Force range: 0.001 to 18 N, Frequency up to 200 Hz, Heating rate: 0.1 to 20 °C/min, Cooling rate: 0.1 to 10 °C/min
Thermal Mechanical Analysis (TMA)
Determination of the thermal expansion coefficient
Temperature range: -50 – 1000 °C, Force range: 0,0001 – 1,0 N, Heating rate: 0,01 – 200°C/min
Thermogravimetric Analysis (TGA)
Mass loss over temperature, Temperature range: RT -750°C
Temperature range: RT - 750°C
Dynamic differential calorimetry (DSC)
Determination or thermal properties e.g. glass transition temperature, crystallization and curing processes, standard, modulated and flash
Temperature range: -150°C to 550°C
Thermal conductivity measurement
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- Rheology
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- Measurement of the viscoelastic properties of fluids in the range between ideal solids and liquids.
Expertise
- Advanced characterization
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- e.g. Tensile tests with combined DIC and thermography to determine effects like strain induced crystallization in natural rubber, inhomogeneous strain distribution in composites due to fiber waviness, change in electrical resistance during deformation
- Development of competitive test methods and construction of customized test rigs
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- e.g. Flow cell and tensile tester for synchrotron measurements at DESY, Bending test rigs for medical components, Test rigs for multifunctional complex structural components.
Contact Material Testing Analysis Cluster
