High-speed and high-definition infrared imaging for material characterization in experimental mechanics

Marc-André Gagnon; Frédérick Marcotte; Philippe Lagueux; Vincent Farley; Éric Guyot; Vince Morton

doi:10.1117/12.2262140

5 May 2017 High-speed and high-definition infrared imaging for material characterization in experimental mechanics

Marc-André Gagnon, Frédérick Marcotte, Philippe Lagueux, Vincent Farley, Éric Guyot, Vince Morton

Proceedings Volume 10214, Thermosense: Thermal Infrared Applications XXXIX; 102140O (2017) https://doi.org/10.1117/12.2262140
Event: SPIE Commercial + Scientific Sensing and Imaging, 2017, Anaheim, CA, United States

Abstract

Heat transfers are involved in many phenomena such as friction, tensile stress, shear stress and material rupture. Among the challenges encountered during the characterization of such thermal patterns is the need for both high spatial and temporal resolution. Infrared imaging provides information about surface temperature that can be attributed to the stress response of the material and breaking of chemical bounds. In order to illustrate this concept, tensile and shear tests were carried out on steel, aluminum and carbon fiber composite materials and monitored using high-speed (Telops FAST-M2K) and high-definition (Telops HD-IR) infrared imaging. Results from split-Hopkinson experiments carried out on a polymer material at high strain-rate are also presented. The results illustrate how high-speed and high-definition infrared imaging in the midwave infrared (MWIR, 3 – 5 μm) spectral range can provide detailed information about the thermal properties of materials undergoing mechanical testing.

Conference Presentation

Citation Download Citation

Marc-André Gagnon, Frédérick Marcotte, Philippe Lagueux, Vincent Farley, Éric Guyot, and Vince Morton "High-speed and high-definition infrared imaging for material characterization in experimental mechanics", Proc. SPIE 10214, Thermosense: Thermal Infrared Applications XXXIX, 102140O (5 May 2017); https://doi.org/10.1117/12.2262140

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