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On the origin of kinking in layered crystalline solids
Journal article   Open access   Peer reviewed

On the origin of kinking in layered crystalline solids

G. Plummer, H. Rathod, A. Srivastava, M. Radovic, T. Ouisse, Melike Yildizhan Özyar, Per O A Persson, K. Lambrinou, M. W. Barsoum and G. J. Tucker
Materials today (Kidlington, England), v 43
2021
DOI: https://doi.org/10.1016/j.mattod.2020.11.014
url
https://doi.org/10.1016/j.mattod.2020.11.014View
Published, Version of Record (VoR)CC BY V4.0,  Open

Abstract

Engineering and Technology Materials Engineering Materialteknik Metallurgi och metalliska material Metallurgy and Metallic Materials Teknik och teknologier
Kinking is a deformation mechanism ubiquitous to layered systems, ranging from the nanometer scale in layered crystalline solids, to the kilometer scale in geological formations. Herein, we demonstrate its origins in the former through multiscale experiments and atomistic simulations. When compressively loaded parallel to their basal planes, layered crystalline solids first buckle elastically, then nucleate atomic-scale, highly stressed ripplocation boundaries - a process driven by redistributing strain from energetically expensive in-plane bonds to cheaper out-of-plane bonds. The consequences are far reaching as the unique mechanical properties of layered crystalline solids are highly dependent upon their ability to deform by kinking. Moreover, the compressive strength of numerous natural and engineered layered systems depends upon the ease of kinking or lack there of.

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Domestic collaboration
International collaboration
Web of Science research areas
Materials Science, Multidisciplinary
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