Fatigue microcrack detection with digital image correlation

Abstract : A digital image correlation method is proposed to detect and quantify automatically microcracks on the surface of a specimen during a fatigue test. The proposed procedure allows for a fast scanning of the entire surface with all possible (pixel-wise) locations of microcrack centers and the detection of cracks having a sub-pixel opening. An experimental test case is presented as an illustration of the method and a comparison with a replica technique is performed.
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Submitted on : Friday, August 19, 2011 - 1:34:15 PM
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Jérémie Rupil, Stéphane Roux, François Hild, Ludovic Vincent. Fatigue microcrack detection with digital image correlation. The Journal of Strain Analysis for Engineering Design, 2011, 46 (6), pp.492-509. ⟨10.1177/0309324711402764⟩. ⟨hal-00615472⟩

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