Penetration dynamics of a carbonate sand: A synchrotron phase contrast imaging study

T. Zhong, X. Liu,Y.Y. Zhang,S. Chen, B.B. Zhang, Y. Tao,S.N. Luo,S.J. Ye,J.Y. Huang

International Journal of Impact Engineering（2021）

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摘要

•First direct observation of high-speed penetration dynamics in carbonate sands.•XDIC and XPIV are employed to obtain particle-scale deformation.•Wet sands and small container reduce penetration depths.•Mechanisms for moisture and container size effect are analyzed.

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关键词

Carbonate sand,Penetration,X-ray phase contrast imaging,Digital image correlation,Particle image velocimetry

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