Predicting plasticity in disordered solids from structural indicators

D. Richard; M. Ozawa; S. Patinet; E. Stanifer; B. Shang; S. A. Ridout; B. Xu; G. Zhang; P. K. Morse; J. L. Barrat; L. Berthier; M. L. Falk; P. Guan; A. J. Liu; K. Martens; S. Sastry; D. Vandembroucq; E. Lerner; M. L. Manning

doi:10.1103/PhysRevMaterials.4.113609

Predicting plasticity in disordered solids from structural indicators

D. Richard, M. Ozawa, S. Patinet, E. Stanifer, B. Shang, S. A. Ridout, B. Xu, G. Zhang, P. K. Morse, J. L. Barrat, L. Berthier, M. L. Falk, P. Guan, A. J. Liu, K. Martens, S. Sastry, D. Vandembroucq, E. Lerner, M. L. Manning

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134 Scopus citations

Abstract

Amorphous solids lack long-range order. Therefore identifying structural defects - akin to dislocations in crystalline solids - that carry plastic flow in these systems remains a daunting challenge. By comparing many different structural indicators in computational models of glasses, under a variety of conditions we carefully assess which of these indicators are able to robustly identify the structural defects responsible for plastic flow in amorphous solids. We further demonstrate that the density of defects changes as a function of material preparation and strain in a manner that is highly correlated with the macroscopic material response. Our work represents an important step towards predicting how and when an amorphous solid will fail from its microscopic structure.

Original language	English (US)
Article number	113609
Journal	Physical Review Materials
Volume	4
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevMaterials.4.113609
State	Published - Nov 24 2020

ASJC Scopus subject areas

General Materials Science
Physics and Astronomy (miscellaneous)

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Richard, D., Ozawa, M., Patinet, S., Stanifer, E., Shang, B., Ridout, S. A., Xu, B., Zhang, G., Morse, P. K., Barrat, J. L., Berthier, L., Falk, M. L., Guan, P., Liu, A. J., Martens, K., Sastry, S., Vandembroucq, D., Lerner, E., & Manning, M. L. (2020). Predicting plasticity in disordered solids from structural indicators. Physical Review Materials, 4(11), Article 113609. https://doi.org/10.1103/PhysRevMaterials.4.113609

Richard, D, Ozawa, M, Patinet, S, Stanifer, E, Shang, B, Ridout, SA, Xu, B, Zhang, G, Morse, PK, Barrat, JL, Berthier, L, Falk, ML, Guan, P, Liu, AJ, Martens, K, Sastry, S, Vandembroucq, D, Lerner, E & Manning, ML 2020, 'Predicting plasticity in disordered solids from structural indicators', Physical Review Materials, vol. 4, no. 11, 113609. https://doi.org/10.1103/PhysRevMaterials.4.113609

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title = "Predicting plasticity in disordered solids from structural indicators",

abstract = "Amorphous solids lack long-range order. Therefore identifying structural defects - akin to dislocations in crystalline solids - that carry plastic flow in these systems remains a daunting challenge. By comparing many different structural indicators in computational models of glasses, under a variety of conditions we carefully assess which of these indicators are able to robustly identify the structural defects responsible for plastic flow in amorphous solids. We further demonstrate that the density of defects changes as a function of material preparation and strain in a manner that is highly correlated with the macroscopic material response. Our work represents an important step towards predicting how and when an amorphous solid will fail from its microscopic structure.",

author = "D. Richard and M. Ozawa and S. Patinet and E. Stanifer and B. Shang and Ridout, {S. A.} and B. Xu and G. Zhang and Morse, {P. K.} and Barrat, {J. L.} and L. Berthier and Falk, {M. L.} and P. Guan and Liu, {A. J.} and K. Martens and S. Sastry and D. Vandembroucq and E. Lerner and Manning, {M. L.}",

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AU - Richard, D.

AU - Ozawa, M.

AU - Patinet, S.

AU - Stanifer, E.

AU - Shang, B.

AU - Ridout, S. A.

AU - Xu, B.

AU - Zhang, G.

AU - Morse, P. K.

AU - Barrat, J. L.

AU - Berthier, L.

AU - Falk, M. L.

AU - Guan, P.

AU - Liu, A. J.

AU - Martens, K.

AU - Sastry, S.

AU - Vandembroucq, D.

AU - Lerner, E.

AU - Manning, M. L.

PY - 2020/11/24

Y1 - 2020/11/24

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AB - Amorphous solids lack long-range order. Therefore identifying structural defects - akin to dislocations in crystalline solids - that carry plastic flow in these systems remains a daunting challenge. By comparing many different structural indicators in computational models of glasses, under a variety of conditions we carefully assess which of these indicators are able to robustly identify the structural defects responsible for plastic flow in amorphous solids. We further demonstrate that the density of defects changes as a function of material preparation and strain in a manner that is highly correlated with the macroscopic material response. Our work represents an important step towards predicting how and when an amorphous solid will fail from its microscopic structure.

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Predicting plasticity in disordered solids from structural indicators

Abstract

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