Dynamic Mechanical Analyzers
The most flexible and precise option for DMA
Dynamic mechanical analyzers (DMAs) precisely quantify the viscoelastic properties of materials as a function of temperature, time, frequency, and amplitude. They are primarily used to determine a material’s modulus and stiffness, but also its damping properties, creep, and relaxation. This provides crucial insights into glass transition temperatures and other characteristic transitions, the effect of fillers and additives, compatibility of polymers, and much more. Anton Paar offers dynamic mechanical analyzers capable of measuring in tension, bending, compression, torsion and combined axial-torsional loading modes, based on air-bearing supported drive units for unprecedented precision. This unique and flexible concept – in combination with a broad portfolio of accessories used to characterize materials under controlled temperature, relative humidity, or immersion – helps unlock valuable insights into material performance and product optimization.
Anton Paar Products
The most flexible dynamic mechanical analyzers for all applications
The precise air-bearing-supported linear and rotational drives enable DMA in tension, bending, compression, and torsion with the MCR series. The combination of the state-of-the-art moving-magnet motor and renowned EC motor technology with optical encoder technology guarantees highly precise measurements and maximum flexibility in selecting the test mode. As a result, it is not the limitations of the device that determine the measuring mode, but rather the loading conditions of the actual application that must be simulated during characterization.
Material characterization – until now, impossible
The MCR 703 MultiDrive dynamic mechanical analyzer combines a state-of-the-art moving-magnet motor and rotational drive in one device, enabling DMA in tension and torsion within one test definition – without changing the specimen. This allows, for the first time, precise determination of the Poisson's ratio of isotropic materials using a single sample. Fast direction-dependent characterization when investigating anisotropic materials such as composites is also possible, facilitating more comprehensive analysis of the sample properties. The same setup additionally supports all types of rheological investigations.
Control of the greatest influence of all – temperature
Anton Paar’s devices are optimized to generate a homogeneous temperature distribution up to 1,000 °C. Measuring systems with integrated temperature sensors fixed close to the clamped sample can be used. The measured and controlled temperature relates to the actual sample temperature, and the highest reproducibility over the entire temperature range is guaranteed without manual positioning of the sensor. Gas chiller (-90 °C) or liquid nitrogen (-170 °C) options can be used for controlled cooling. If temperature and relative humidity need to be controlled, a humidity option can be combined with a convection temperature device to adjust the relative humidity in the range of 5 °C to 120 °C and 5 % rH to 95 % rH.
Broad accessory portfolio covering all forms of dynamic mechanical analysis
Dynamic mechanical analysis can be performed via various systems, including: three-point bending (TPB), single and dual cantilever (CTL), solid rectangular (SRF) or circular (SCF) fixtures, film and fiber fixtures (UXF), and parallel-plate systems (PP). Material pockets enable the characterization of powdery samples, and measuring system shafts can be combined with any disposable or customized geometry. Immersion options enable dynamic mechanical characterization in a fluid environment, and a camera visualizes the samples during analysis to record optically perceptible changes. Customized shear sandwiches are also possible. Contact us to discuss your measurement requirements so we can help you identify a tailored solution.
Smart features that reduce workload
A unique array of smart features makes the dynamic mechanical analyzers exceptionally accessible, eliminating the need for manual settings and user training. This includes the Toolmaster feature, which automatically recognizes and configures all connected devices and measuring geometries – reducing setup time and operating errors. The QuickConnect coupling and fully automated procedures for optimum alignment (ZeroGap and ZeroAngle) make it possible to exchange measuring systems and ensure precise measurements without user intervention. Additionally, the RheoCompass software provides predefined test templates that can be customized for more advanced measurements.
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