This paper aims to illustrate the relevant use of infrared thermography as a non destructive, real-time and non contact technique to observe the physical processes of damage, fatigue and failure on metallic specimens subjected to low cycle fatigue loadings, to detect the occurrence of intrinsic dissipation and to evaluate the fatigue strength of the tested materials in a very short time. In addition, this infrared thermographic technique readily describes the damage location and the mechanisms of the structure failure.
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