Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2190
Title: Numerical and experimental studies of damage generation in a polymer composite material at high strain rates
Authors: Taşdemirci, Alper
Hall, Ian W.
Keywords: Composite materials
High strain rate
LS-DYNA
Stress wave propagation
Mechanical properties
Issue Date: Sep-2006
Publisher: Elsevier Ltd.
Source: Taşdemirci, A., and Hall, I. W. (2006). Numerical and experimental studies of damage generation in a polymer composite material at high strain rates. Polymer Testing, 25(6), 797-806. doi:10.1016/j.polymertesting.2006.04.011
Abstract: Samples of S2-glass/epoxy composites have been subjected to microstructural investigation after testing in compression at quasi-static and high strain rates using the split Hopkinson pressure bar. A numerical model was developed that accurately describes the high strain rate mechanical response of the samples. Moreover, in contrast with earlier phenomenological or constitutive models, the model can also predict a variety of failure modes such as delamination, matrix cracking or fiber crushing. High-speed photography was used to check the model results. Interrupted tests, followed by metallographic examination, have revealed that the sequence of damage events differs between quasi-static and high strain rate regimes. The effect of sample size on measured mechanical properties is noted and is confirmed via numerical modeling.
URI: http://doi.org/10.1016/j.polymertesting.2006.04.011
http://hdl.handle.net/11147/2190
ISSN: 0142-9418
0142-9418
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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