Dynamic mechanical analysis (DMA)
CEVAA carries out and supports manufacturers in dynamic mechanical analysis (DMA).
In order to meet the need for characterization of materials, particularly polymers, CEVAA from 6NAPSE group supports manufacturers in dynamic mechanical analysis (DMA).
Our equipment makes it possible to obtain the mechanical properties of the material. The plate or beam type samples have reduced dimensions of a few tens of millimeters. CEVAA offers a great versatility of stress modes.
- Moduli: complex, storage, loss, shear
- Stress modes: traction, compression, shear on embedded sample and bending on “free-free” sample
Following the results of the DMA, it is possible to go further in the definition of material properties such as the Poisson’s ratio.
DMA advantages
From the measurement of the intrinsic properties, the moduli, the loss factor and the glass transition temperature, we can:
- Establish relationships between the structure, the morphology of polymers and the performance required for the end use.
- Determine the field of use in temperature, frequency and rate of deformation
- Predict the long-term behavior of materials.
Technical characteristics
Mechanical Parameters
- Young’s modulus (traction, compression or bending)
- Shear modulus
- Loss factor (damping)
- Thanks to the Young and shear modulus, we can determine the Poisson’s ratio
- Glass OR rubber transition (variation in temperature [-200; +200] °C and in frequency [0- 200] Hz)
Sample sizes
- Tensile: parallelepipedic shape sample [60x20x10mm] max / cylindrical shape sample [50x3mm] max
- Compression: parallelepipedic shape sample [60x40x40mm] max / cylindrical shape sample [60x40mm] max
- Bending: parallelepipedic shape sample [60×7.5×2.84 mm] max
- Shear: Cylindrical shaped sample [20×10mm] max
Materials characterization benches
Small cabin
Alpha cabin
Impedance tubes
Oberst method
Dynamic stiffness bench
S&R bench
Poisson's ratio bench
DMA
For more information, contact our teams!