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Damage Accumulation in Silica Glass Nanofibers

  • Silvia Bonfanti
    Silvia Bonfanti
    Center for Complexity and Biosystems, Department of Physics, University of Milano, via Celoria 16, 20133 Milano, Italy
  • Ezequiel E. Ferrero*
    Ezequiel E. Ferrero
    Center for Complexity and Biosystems, Department of Physics, University of Milano, via Celoria 16, 20133 Milano, Italy
    CONICET, Centro Atómico Bariloche, Av. Bustillo 9500, 8400 S. C. de Bariloche, Río Negro Argentina
    *E-mail: [email protected]
  • Alessandro L. Sellerio
    Alessandro L. Sellerio
    Center for Complexity and Biosystems, Department of Physics, University of Milano, via Celoria 16, 20133 Milano, Italy
  • Roberto Guerra
    Roberto Guerra
    Center for Complexity and Biosystems, Department of Physics, University of Milano, via Celoria 16, 20133 Milano, Italy
  • , and 
  • Stefano Zapperi*
    Stefano Zapperi
    Center for Complexity and Biosystems, Department of Physics, University of Milano, via Celoria 16, 20133 Milano, Italy
    Consiglio Nazionale delle Ricerche, Istituto di Chimica della Materia Condensata e di Tecnologie per l’Energia, Via R. Cozzi 53, 20125 Milano, Italy
    *E-mail: [email protected]
Cite this: Nano Lett. 2018, 18, 7, 4100–4106
Publication Date (Web):June 1, 2018
https://doi.org/10.1021/acs.nanolett.8b00469
Copyright © 2018 American Chemical Society

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    Abstract

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    The origin of the brittle-to-ductile transition, experimentally observed in amorphous silica nanofibers as the sample size is reduced, is still debated. Here we investigate the issue by extensive molecular dynamics simulations at low and room temperatures for a broad range of sample sizes, with open and periodic boundary conditions. Our results show that small sample-size enhanced ductility is primarily due to diffuse damage accumulation, that for larger samples leads to brittle catastrophic failure. Surface effects such as boundary fluidization contribute to ductility at room temperature by promoting necking, but are not the main driver of the transition. Our results suggest that the experimentally observed size-induced ductility of silica nanofibers is a manifestation of finite-size criticality, as expected in general for quasi-brittle disordered networks.

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    The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.nanolett.8b00469.

    • Size-dependent elastic modulus, mean square displacement, time-resolved displacement, radial density prole of the cylindric systems at 1 K, coordination, stress, kinetic and potential energy, variation of the Si–O–Si angle distribution during tensile deformation, total energy vs strength, stress-drops distribution and threshold, and waiting-time distributions between subsequent stress-drops (PDF)

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    Cited By

    This article is cited by 17 publications.

    1. Yuxiang Gao, Yixuan Gao, Yu-Yang Zhang, Shixuan Du. Amorphization Toughening Induced by Microcracks in SiO2 Thin Films. The Journal of Physical Chemistry C 2023, 127 (18) , 8825-8832. https://doi.org/10.1021/acs.jpcc.3c01189
    2. Yong Sun, Ziheng Lin, Fei Tian, Bo Sun, Xiaobin Zou, Chengxin Wang. Tunable Mechanics and Micromechanism in Close-Knit Silicide-in-SiO2 Core-Shell Nanowires. Nano Letters 2022, 22 (24) , 9951-9957. https://doi.org/10.1021/acs.nanolett.2c03498
    3. Jeong-Hyun Woo, Donghwan Koo, Na-Hyang Kim, Hangeul Kim, Myoung Hoon Song, Hyesung Park, Ju-Young Kim. Amorphous Alumina Film Robust under Cyclic Deformation: a Highly Impermeable and a Highly Flexible Encapsulation Material. ACS Applied Materials & Interfaces 2021, 13 (39) , 46894-46901. https://doi.org/10.1021/acsami.1c15261
    4. Bianca Swanckaert, Olivier Verschatse, Eva Loccufier, Klaartje De Buysser, Lode Daelemans, Karen De Clerck. Chemical and structural induced ductile-to-brittle transition in electrospun silica nanofiber membranes. Ceramics International 2023, 49 (20) , 33305-33315. https://doi.org/10.1016/j.ceramint.2023.08.041
    5. Kun Zhao, Yun-Jiang Wang, Penghui Cao. Fracture universality in amorphous nanowires. Journal of the Mechanics and Physics of Solids 2023, 173 , 105210. https://doi.org/10.1016/j.jmps.2023.105210
    6. David Richard, Ethen Thomas Lund, Jan Schroers, Eran Bouchbinder. Bridging necking and shear-banding mediated tensile failure in glasses. Physical Review Materials 2023, 7 (3) https://doi.org/10.1103/PhysRevMaterials.7.L032601
    7. Shuangyi Linghu, Yanna Ma, Zhaoqi Gu, Runlin Zhu, Yifei Liu, Hongjiang Liu, Fuxing Gu. Thermal-mechanical-photo-activation effect on silica micro/nanofiber surfaces: origination, reparation and utilization. Optics Express 2022, 30 (13) , 22755. https://doi.org/10.1364/OE.460793
    8. Roberto Guerra, Silvia Bonfanti, Itamar Procaccia, Stefano Zapperi. Universal density of low-frequency states in silica glass at finite temperatures. Physical Review E 2022, 105 (5) https://doi.org/10.1103/PhysRevE.105.054104
    9. Himangsu Bhaumik, Giuseppe Foffi, Srikanth Sastry. Avalanches, Clusters, and Structural Change in Cyclically Sheared Silica Glass. Physical Review Letters 2022, 128 (9) https://doi.org/10.1103/PhysRevLett.128.098001
    10. Xin Zhang, Cheng Liu, Xinxin Zhang, Yang Si, Jianyong Yu, Bin Ding. Super strong, shear resistant, and highly elastic lamellar structured ceramic nanofibrous aerogels for thermal insulation. Journal of Materials Chemistry A 2021, 9 (48) , 27415-27423. https://doi.org/10.1039/D1TA08879C
    11. David Richard, Corrado Rainone, Edan Lerner. Finite-size study of the athermal quasistatic yielding transition in structural glasses. The Journal of Chemical Physics 2021, 155 (5) https://doi.org/10.1063/5.0053303
    12. Radhika P. Patil, Mehrdad T. Kiani, X. Wendy Gu. Effect of strain rate on the deformation of hollow CoS nanoboxes and doubly porous self-assembled films. Extreme Mechanics Letters 2021, 47 , 101354. https://doi.org/10.1016/j.eml.2021.101354
    13. Justin Tauber, Aimée R. Kok, Jasper van der Gucht, Simone Dussi. The role of temperature in the rigidity-controlled fracture of elastic networks. Soft Matter 2020, 16 (43) , 9975-9985. https://doi.org/10.1039/D0SM01063D
    14. Hongyi Xiao, Robert J. S. Ivancic, Douglas J. Durian. Strain localization and failure of disordered particle rafts with tunable ductility during tensile deformation. Soft Matter 2020, 16 (35) , 8226-8236. https://doi.org/10.1039/D0SM00839G
    15. Silvia Bonfanti, Roberto Guerra, Chandana Mondal, Itamar Procaccia, Stefano Zapperi. Universal Low-Frequency Vibrational Modes in Silica Glasses. Physical Review Letters 2020, 125 (8) https://doi.org/10.1103/PhysRevLett.125.085501
    16. Simone Dussi, Justin Tauber, Jasper van der Gucht. Athermal Fracture of Elastic Networks: How Rigidity Challenges the Unavoidable Size-Induced Brittleness. Physical Review Letters 2020, 124 (1) https://doi.org/10.1103/PhysRevLett.124.018002
    17. Silvia Bonfanti, Roberto Guerra, Chandana Mondal, Itamar Procaccia, Stefano Zapperi. Elementary plastic events in amorphous silica. Physical Review E 2019, 100 (6) https://doi.org/10.1103/PhysRevE.100.060602

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