Thermal Analysis --> TMA / DMA--> TMA PT 1000

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Features Temperature range -150 up to 1000°C Static and dynamic TMA measurements possible 5 different measuring systems for expansion, elasticity, 2 x penetration tests, expansion of threads Software control of load and all other parameters MS Windows 32 Bit Software

Description Thermo mechanical analysis (TMA) easily and rapidly measures sample displacement (growth, shrinkage, movement, etc.) as a function of temperature, time, and applied force. Traditionally, TMA is used to characterize linear expansion, glass transitions, and softening points of materials by applying a constant force to a specimen while varying temperature. For expansion measurements, a probe rests on a sample on a stage with minimal downward pressure. Other constant force experiments include measurement of penetration, bending, tension, shrinkage, swelling, and creep (sample motion measured as a function of time under an applied load). In Dynamic TMA (DTMA), a known sinusoidal stress and linear temperature ramp are applied to the sample, and the resulting sinusoidal strain is measured. Typical Applications Tension studies of the stress/strain properties of films and fibers Determination of softening behavior Glass transition temperatures and secondary transitions Phase change determination Determination of mechanical behavior under applied force Determination of expansion coefficient (dilatometry) Sintering behavior Volumetric expansion E modulus Slipping and friction resistance

Application example TMA PVC sample In this picture you can see the test run of a PVC sample starting from room temperature.The glass point is at 93,2° C. The elastic range starts from approx. 150°C. At higher temperatures the change into the plastic range is very good visible.

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