Event submissions
Published
This submission belongs to the session ICEM. ICEM 2018 of the event The Eighteenth International Conference of Experimental Mechanics
Published date
04 Jun, 2018
Citation
Man Zhu, Larissa Gorbatikh, Sander Fonteyn, Lincy Pyl, Danny Van Hemelrijck, Delphine Carrella-Payan, Stepan V. Lomov, 543 Digital Image Correlation Measurements of Mode I Fatigue Delamination in Laminated Composites, in Proceedings of The Eighteenth International Conference of Experimental Mechanics, Brussels, 1 July–5 July 2018, MDPI: Basel, Switzerland, doi: 10.3390/ICEM18-05289
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543 Digital Image Correlation Measurements of Mode I Fatigue Delamination in Laminated Composites
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Man Zhu 1,2
Larissa Gorbatikh 1,2
Sander Fonteyn 2,3
Lincy Pyl 3
Danny Van Hemelrijck 3
Delphine Carrella-Payan 4
Stepan V. Lomov 1,2
1. Department of Materials Engineering, KU Leuven, Leuven 3001, Belgium
2. SIM M3 program, Zwijnaarde 9052, Belgium
3. Department Mechanics of Materials and Constructions, Vrije Universiteit Brussel, Brussels 1050, Belgium
4. Siemens PLM Software, Leuven 3001, Belgium
Abstract
A Digital Image Correlation (DIC) based method is proposed to characterize Mode I fatigue delamination onset and propagation in laminated composites. With the help of DIC, the displacement field around a delamination crack is obtained and further processed to determine the position of the crack tip. With this method the delamination length can be measured automatically in each cycle with a precision on the order of few hundreds of micrometers. The fatigue delamination onset life is then determined by detecting the increase of the delamination length, and the fatigue delamination propagation rate is calculated. The proposed method produces more conservative fatigue life measurements in comparison with the compliance increase method in ASTM D6115.
Keywords
Digital Image Correlation
Fatigue delamination
Composites
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