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Nucleation Theory for Yielding of Nearly Defect-Free Crystals: Understanding Rate Dependent Yield Points

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Nucleation Theory for Yielding of Nearly Defect-Free Crystals : Understanding Rate Dependent Yield Points. / Reddy, Vikranth Sagar; Nath, Parswa; Horbach, Jürgen; Sollich, Peter; Sengupta, Surajit.

In: Physical Review Letters, Vol. 124, No. 2, 025503, 16.01.2020.

Research output: Contribution to journalArticle

Harvard

Reddy, VS, Nath, P, Horbach, J, Sollich, P & Sengupta, S 2020, 'Nucleation Theory for Yielding of Nearly Defect-Free Crystals: Understanding Rate Dependent Yield Points', Physical Review Letters, vol. 124, no. 2, 025503. https://doi.org/10.1103/PhysRevLett.124.025503

APA

Reddy, V. S., Nath, P., Horbach, J., Sollich, P., & Sengupta, S. (2020). Nucleation Theory for Yielding of Nearly Defect-Free Crystals: Understanding Rate Dependent Yield Points. Physical Review Letters, 124(2), [025503]. https://doi.org/10.1103/PhysRevLett.124.025503

Vancouver

Reddy VS, Nath P, Horbach J, Sollich P, Sengupta S. Nucleation Theory for Yielding of Nearly Defect-Free Crystals: Understanding Rate Dependent Yield Points. Physical Review Letters. 2020 Jan 16;124(2). 025503. https://doi.org/10.1103/PhysRevLett.124.025503

Author

Reddy, Vikranth Sagar ; Nath, Parswa ; Horbach, Jürgen ; Sollich, Peter ; Sengupta, Surajit. / Nucleation Theory for Yielding of Nearly Defect-Free Crystals : Understanding Rate Dependent Yield Points. In: Physical Review Letters. 2020 ; Vol. 124, No. 2.

Bibtex Download

@article{b1ef9560c4b247288feeaec369d4ebd1,
title = "Nucleation Theory for Yielding of Nearly Defect-Free Crystals: Understanding Rate Dependent Yield Points",
abstract = "Experiments and simulations show that when an initially defect-free rigid crystal is subjected to deformation at a constant rate, irreversible plastic flow commences at the so-called yield point. The yield point is a weak function of the deformation rate, which is usually expressed as a power law with an extremely small nonuniversal exponent. We reanalyze a representative set of published data on nanometer sized, mostly defect-free Cu, Ni, and Au crystals in light of a recently proposed theory of yielding based on nucleation of stable stress-free regions inside the metastable rigid solid. The single relation derived here, which is not a power law, explains data covering 15 orders of magnitude in timescales.",
author = "Reddy, {Vikranth Sagar} and Parswa Nath and J{\"u}rgen Horbach and Peter Sollich and Surajit Sengupta",
year = "2020",
month = "1",
day = "16",
doi = "10.1103/PhysRevLett.124.025503",
language = "English",
volume = "124",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society (APS)",
number = "2",

}

RIS (suitable for import to EndNote) Download

TY - JOUR

T1 - Nucleation Theory for Yielding of Nearly Defect-Free Crystals

T2 - Understanding Rate Dependent Yield Points

AU - Reddy, Vikranth Sagar

AU - Nath, Parswa

AU - Horbach, Jürgen

AU - Sollich, Peter

AU - Sengupta, Surajit

PY - 2020/1/16

Y1 - 2020/1/16

N2 - Experiments and simulations show that when an initially defect-free rigid crystal is subjected to deformation at a constant rate, irreversible plastic flow commences at the so-called yield point. The yield point is a weak function of the deformation rate, which is usually expressed as a power law with an extremely small nonuniversal exponent. We reanalyze a representative set of published data on nanometer sized, mostly defect-free Cu, Ni, and Au crystals in light of a recently proposed theory of yielding based on nucleation of stable stress-free regions inside the metastable rigid solid. The single relation derived here, which is not a power law, explains data covering 15 orders of magnitude in timescales.

AB - Experiments and simulations show that when an initially defect-free rigid crystal is subjected to deformation at a constant rate, irreversible plastic flow commences at the so-called yield point. The yield point is a weak function of the deformation rate, which is usually expressed as a power law with an extremely small nonuniversal exponent. We reanalyze a representative set of published data on nanometer sized, mostly defect-free Cu, Ni, and Au crystals in light of a recently proposed theory of yielding based on nucleation of stable stress-free regions inside the metastable rigid solid. The single relation derived here, which is not a power law, explains data covering 15 orders of magnitude in timescales.

UR - http://www.scopus.com/inward/record.url?scp=85078515621&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.124.025503

DO - 10.1103/PhysRevLett.124.025503

M3 - Article

C2 - 32004040

AN - SCOPUS:85078515621

VL - 124

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 2

M1 - 025503

ER -

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