EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)||8|
|Published online||10 June 2010|
Performance of Pre-Stressed Sandwich Composites Subjected to Shock Wave Loading
Dynamic Photomechanics Laboratory, Dept. of Mechanical,
Industrial and Systems Engineering University of Rhode
Island, 92 Upper
College Rd, Kingston, RI, 02881, USA
a e-mail : email@example.com
The present paper experimentally studies the dynamic behaviour of prestressed sandwich composites under blast loading. The in-plane static compression loadings are implemented on the sandwich composites before they are subjected to the transverse shock wave loading. Three different pre-stress levels are chosen. 3-D realtime deformation data are captured by two high-speed photography systems: a backview Digital Image Correlation (DIC) system and a side-view camera system. The results show that pre-stresses can induce local buckling in the front face-sheet of sandwich composites, consequently reduce the blast resistance of sandwich composites.
© Owned by the authors, published by EDP Sciences, 2010
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