Abstract:Fatigue damage is associated with heat release leading to material self-heating. The present study deals with the measurement of mechanical dissipation from temperature measurements by infrared (IR) thermography during a fatigue test with varying stress amplitude. The experiment was performed in two steps on an additively manufactured steel specimen. First, specific acquisition conditions of the thermal response were used to remove the cyclic fluctuation due to thermoelastic coupling. Second, heat source recon… Show more
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