Thermographic Evaluation of Plastic Deformation characteristics of Metals for Forming Patrícia Pala Diniz, Willy Ank de Morais

Abstract

Thermographic analysis is a non-destructive diagnostic technique, which uses cameras and infrared sensors to measure temperature and thus the heat distribution. This technics is widely used in a variety of situations, from warlike weapons, to predictive industrial maintenance techniques, including medical diagnostics. A new field in development is the application of thermography in the evaluation of plastic deformation tests. In this work, tensile specimens were used, made of carbon steel, in different thicknesses, to evaluate the plastic deformation quantified by extensometer comparing it with the quantified heat generation through a thermographic camera. Through these experiments, it will be made phenomenological associations between the temperature gradient detected by the thermographic process and the deformation of the material characterized by plastic parameters.