In Material Property Analysis
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Thermomechanical analysis (TMA) probes the response of the sample’s thermal, dynamic, and static-mechanical properties as temperature is changed over time. During a TMA measurement, a probe is set at rest on the surface of a sample, with no applied force. Then, heat is applied, causing temperature to rise, and inducing material property changes that deform the specimen. Hyper-fine measurements are taken of the probe’s vertical displacement, illuminating the sample’s morphological and mechanical response to temperature flux. During heating, one can also apply a controlled force across the probe (either dynamic/variable or unchanging/static), enabling different measurement modes that assess a wide assortment of mechanical properties as a function of temperature.