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ISSN Online: 2377-424X

International Heat Transfer Conference 12
August, 18-23, 2002, Grenoble, France

Infrared thermography applied to thermoelastic stress analysis

Get access (open in a dialog) DOI: 10.1615/IHTC12.4200
6 pages

Abstract

Thermoelastic measurements have been realised by means of a standard infrared camera, on samples submitted to a cyclic loading. Thanks to a numerical lock-in procedure or a statistical treatment, amplitude maps of the infrared signal can be calculated, then converted into stress amplitude maps. A procedure is proposed to restore the thermoelastic sources distribution, taking into account the optical and thermal transfer functions.