On the origin of kinking in layered crystalline solids

G. Plummer; H. Rathod; A. Srivastava; M. Radovic; T. Ouisse; M. Yildizhan; P. O.Å. Persson; K. Lambrinou; M. W. Barsoum; G. J. Tucker

doi:10.1016/j.mattod.2020.11.014

On the origin of kinking in layered crystalline solids

G. Plummer, H. Rathod, A. Srivastava, M. Radovic, T. Ouisse, M. Yildizhan, P. O.Å. Persson, K. Lambrinou, M. W. Barsoum, G. J. Tucker

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Abstract

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.

Original language	English
Pages (from-to)	45-52
Number of pages	8
Journal	Materials Today
Volume	43
Early online date	12 Jan 2021
DOIs	https://doi.org/10.1016/j.mattod.2020.11.014
Publication status	Published - 1 Mar 2021

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title = "On the origin of kinking in layered crystalline solids",

abstract = "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.",

keywords = "Layered crystalline solids, Kinking, Atomistic simulation",

author = "G. Plummer and H. Rathod and A. Srivastava and M. Radovic and T. Ouisse and M. Yildizhan and Persson, \{P. O.{\AA}.\} and K. Lambrinou and Barsoum, \{M. W.\} and Tucker, \{G. J.\}",

note = "Funding Information: K.L. thanks T. Lapauw and J. Vleugels for the supply of Zr2AlC and B. Tunca for the preparation and EBSD investigation of the Zr2AlC sample prior to indentation. Work reported here was run on hardware supported by the High Performance Computing group at Colorado School of Mines. G.P. acknowledges support through the CoorsTek Graduate Fellowship Program at Colorado School of Mines. G.J.T. is grateful for financial support through ARO Grant No. W911NF1910389. H.R. M.R. A.S. acknowledge support from the U.S. National Science Foundation through the DMREF program (Grant Nos. 1729335 and 1729350). M. W. B. acknowledges the support of NSF through CMMI program (Grant No. 1728041). P.O.?.P. acknowledges the Swedish Research Council for funding under Grant Nos. 2016-04412, the Knut and Alice Wallenberg's Foundation for support of the electron microscopy laboratory in Link?ping, and a project grant (KAW 2015.0043). P.O.?.P. also acknowledges support from the Swedish Government Strategic Research Area in Materials Science on Functional Materials at Link?ping University (Faculty Grant SFO-Mat-LiU No. 2009 00971). The authors declare no competing interests. All data is available in the main text or the supplementary materials. Publisher Copyright: {\textcopyright} 2020 The Authors Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",

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doi = "10.1016/j.mattod.2020.11.014",

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AU - Plummer, G.

AU - Rathod, H.

AU - Srivastava, A.

AU - Radovic, M.

AU - Ouisse, T.

AU - Yildizhan, M.

AU - Persson, P. O.Å.

AU - Lambrinou, K.

AU - Barsoum, M. W.

AU - Tucker, G. J.

N1 - Funding Information: K.L. thanks T. Lapauw and J. Vleugels for the supply of Zr2AlC and B. Tunca for the preparation and EBSD investigation of the Zr2AlC sample prior to indentation. Work reported here was run on hardware supported by the High Performance Computing group at Colorado School of Mines. G.P. acknowledges support through the CoorsTek Graduate Fellowship Program at Colorado School of Mines. G.J.T. is grateful for financial support through ARO Grant No. W911NF1910389. H.R. M.R. A.S. acknowledge support from the U.S. National Science Foundation through the DMREF program (Grant Nos. 1729335 and 1729350). M. W. B. acknowledges the support of NSF through CMMI program (Grant No. 1728041). P.O.?.P. acknowledges the Swedish Research Council for funding under Grant Nos. 2016-04412, the Knut and Alice Wallenberg's Foundation for support of the electron microscopy laboratory in Link?ping, and a project grant (KAW 2015.0043). P.O.?.P. also acknowledges support from the Swedish Government Strategic Research Area in Materials Science on Functional Materials at Link?ping University (Faculty Grant SFO-Mat-LiU No. 2009 00971). The authors declare no competing interests. All data is available in the main text or the supplementary materials. Publisher Copyright: © 2020 The Authors Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

PY - 2021/3/1

Y1 - 2021/3/1

N2 - 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.

AB - 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.

KW - Layered crystalline solids

KW - Kinking

KW - Atomistic simulation

UR - https://www.scopus.com/pages/publications/85099435821

U2 - 10.1016/j.mattod.2020.11.014

DO - 10.1016/j.mattod.2020.11.014

M3 - Article

AN - SCOPUS:85099435821

SN - 1369-7021

VL - 43

SP - 45

EP - 52

JO - Materials Today

JF - Materials Today

ER -

On the origin of kinking in layered crystalline solids

Abstract

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