Compression and spallation properties of polyethylene terephthalate under plate impact loading

Y.L. Bian,H.W. Chai,S.J. Ye,H.L. Xie,X.H. Yao,Y. Cai

International Journal of Mechanical Sciences（2021）

引用 6|浏览5

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摘要

•3D void configurations in PET are characterized with CT for the first time.•Different spallation mechanisms are revealed for different impact velocities.•Hugoniot equation of state is obtained for the first time (up to 2.4 GPa).•The refractive index and relative density at shock states follow a linear relation.•Spall strength and corresponding tensile rate are measured for PET.

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关键词

Polyethylene terephthalate,Plate impact,Spallation,X-ray computed tomography,Hugoniot equation of state,Index of refraction

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