Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2070
Title: The effects of plastic deformation on stress wave propagation in multi-layer materials
Authors: Taşdemirci, Alper
Hall, Ian W.
Keywords: High strain rate
Multilayer structures
Numerical simulation
Plastic deformation
Stress wave propagation
Multilayers
Issue Date: Nov-2007
Publisher: Elsevier Ltd.
Source: Taşdemirci, A., and Hall, I. W. (2007). The effects of plastic deformation on stress wave propagation in multi-layer materials. International Journal of Impact Engineering, 34(11), 1797-1813. doi:10.1016/j.ijimpeng.2006.10.005
Abstract: The behavior of a multi-layer material at high strain rate and the effect of plastic deformation on stress wave propagation were investigated by a combination of experimental and numerical techniques. Plastic deformation effects were studied in multi-layer materials consisting of ceramic, copper and aluminum subjected to large strains under high strain rate loading. First, stress wave propagation behavior for the monolithic metals was studied, and then extended to multilayer combinations of these metals with each other and with a ceramic layer. The axial stress distributions were found to be non-uniform in the elastic deformation range of the specimen. The degree of non-uniformity was much more pronounced in the multi-layer samples consisting of different materials. The presence of a ceramic layer increased the magnitudes of stress gradients at the interfaces. It was also found that a major effect of plastic deformation is a tendency to produce a more homogeneous stress distribution within the components. The implications of these observations for practical systems are discussed.
URI: http://doi.org/10.1016/j.ijimpeng.2006.10.005
http://hdl.handle.net/11147/2070
ISSN: 0734-743X
0734-743X
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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