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2. Thermomechanical analysis
2.1 General
Thermomechanical analysis (TMA) is a group of characterization methods used to measure dimensional variations in a sample under static stress. Variations in length or volume are recorded as a function of temperature, and the corresponding stress is either elongational or hydrostatic.
For volume measurements, the sample is placed in a liquid with a known coefficient of expansion. A piston is used to adjust the pressure and detect displacements. For low stresses,...
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Thermomechanical analysis
Dynamic mechanical analysis (DMA)
References
Suppliers. Manufacturers
(non-exhaustive list)
Netzsch Thermal Analysis http://netzsch.com
Novocontrol Technologies http://www.novocontrol.de
Perkin-Elmer http://www.perkinelmer.com
...
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