Abstract
A three-nested-deformation model is proposed to describe crack-tip fields in rubber-like materials with large deformation. The model is inspired by the distribution of the measured in-plane and out-of-plane deformation. The inplane displacement of crack-tip fields under both Mode I and mixed-mode (Mode I–II) fracture conditions is measured by using the digital Moiré method. The deformation characteristics and experimental sector division mode are investigated by comparing the measured displacement fields under different fracture modes. The out-of-plane displacement field near the crack tip is measured using the three-dimensional digital speckle correlation method.
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The project was supported by the National Natural Science Foundation of China (10732080 and 11102134).
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Xiao, X., Song, HP., Kang, YL. et al. Experimental analysis of crack tip fields in rubber materials under large deformation. Acta Mech Sin 28, 432–437 (2012). https://doi.org/10.1007/s10409-012-0047-1
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DOI: https://doi.org/10.1007/s10409-012-0047-1