Dynamic bridging response of through-thickness reinforcement in composite laminates
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Cui, Hao
Melro, António R.
Mahadik, Yusuf
Yasaee, Mehdi
Allegri, Giuliano
Partridge, Ivana K.
Hallett, Stephen R.
Petrinic, Nik
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Cui H, Melro AR, Mahadik Y, et al., (2017) Dynamic bridging response of through-thickness reinforcement in composite laminates. 21st International Conference on Composite Materials (ICCM21), 2017, 20-25 August 2017, Xi'an, China
Abstract
The present experimental study aims to extend the understanding of delamination crack bridging mechanisms in Z-pinned laminates subjected to highly dynamic loading conditions. The bridging response of single Z-pins was characterized with both quasi-static and high loading rate. Standard delamination tests of Z-pinned laminates were carried out at varying velocity. The experimental results at both length scales showed that Z-pin efficiency in improving delamination resistance decreases with increasing loading rate.
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Bridging response, Delamination, Dynamic, Fracture toughness, Z-pinning