Non-destructive thermographic method for the assessment of heat treatment in boron steel

Giuseppe Dell'Avvocato; Davide Palumbo; Maria Emanuela Palmieri; Umberto Galietti

doi:10.1117/12.2618810

27 May 2022 Non-destructive thermographic method for the assessment of heat treatment in boron steel

Giuseppe Dell'Avvocato, Davide Palumbo, Maria Emanuela Palmieri, Umberto Galietti

Proceedings Volume 12109, Thermosense: Thermal Infrared Applications XLIV; 1210906 (2022) https://doi.org/10.1117/12.2618810
Event: SPIE Defense + Commercial Sensing, 2022, Orlando, Florida, United States

Abstract

In the present work, a non-destructive thermographic method for evaluating the effectiveness of heat treatment in boron steel, has been developed. Considering that the thermal properties of steel are strictly connected with micro-structure, an active thermography technique has been used for measuring the thermal diffusivity, adopting a reflection mode set-up. For the choice of suitable experimental test parameters, a numerical approach through the Finite Element Analysis has been adopted. Two boron steel (Usibor® 1500) specimens with different structures (ferritic-paerlitic / 100% martensitic) have been experimentally investigated by two thermographic methods, in transmission and reflection mode, and results have been compared with semi-destructive hardness test to validate the method.

Conference Presentation

Citation Download Citation

Giuseppe Dell'Avvocato, Davide Palumbo, Maria Emanuela Palmieri, and Umberto Galietti "Non-destructive thermographic method for the assessment of heat treatment in boron steel", Proc. SPIE 12109, Thermosense: Thermal Infrared Applications XLIV, 1210906 (27 May 2022); https://doi.org/10.1117/12.2618810

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