4. Combined thermomechanical testing
Having studied the influence of thermally induced damage (homogeneous conditions in a furnace) on residual mechanical properties, the next step is to investigate the influence of temperature on the macroscopic response (stress-strain) and mechanical properties of the material in terms of stiffness, strength and strain at fracture.
4.1 Homogeneous temperature conditions
To characterize mechanical strength at temperature, tests are generally carried out using a testing machine equipped with a high-temperature oven, which enables homogeneous temperature conditions to be obtained within the specimen before the force is applied (figure
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Combined thermomechanical testing
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