Negative stiffness of a layer with topologically interlocked elements

Unusual mechanical response of a structure with topologically interlocked elements is discussed. Under point loading, it behaves pseudo-plastically, with a negative stiffness in part of the unloading curve. This effect is inherent in the structure and is attributed to changing contact conditions due...

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Bibliographic Details
Published in:Scripta materialia 2004, Vol.50 (2), p.291-294
Main Authors: Estrin, Y., Dyskin, A.V., Pasternak, E., Schaare, S., Stanchits, S., Kanel-Belov, A.J.
Format: Article
Language:English
Subjects:
Mechanical properties
Structural behavior
Topological interlocking
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Summary:Unusual mechanical response of a structure with topologically interlocked elements is discussed. Under point loading, it behaves pseudo-plastically, with a negative stiffness in part of the unloading curve. This effect is inherent in the structure and is attributed to changing contact conditions due to rotation of the elements.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2003.09.053