Dynamics of wing cracks and nanoscale damage in glass

Zhen Lu; Ken Ichi Nomura; Ashish Sharma; Weiqiang Wang; Cheng Zhang; Aiichiro Nakano; Rajiv Kalia; Priya Vashishta; Elisabeth Bouchaud; Cindy Rountree

doi:10.1103/PhysRevLett.95.135501

Dynamics of wing cracks and nanoscale damage in glass

Zhen Lu
, Ken Ichi Nomura
, Ashish Sharma
, Weiqiang Wang
, Cheng Zhang
, Aiichiro Nakano
, Rajiv Kalia
, Priya Vashishta
, Elisabeth Bouchaud
, Cindy Rountree

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

Abstract

We investigate initiation, growth, and healing of wing cracks in confined silica glass by molecular dynamics simulations. Under dynamic compression, frictional sliding of precrack surfaces nucleates nanovoids which evolve into nanocrack columns at the precrack tip. Nanocrack columns merge to form a wing crack, which grows via coalescence with nanovoids in the direction of maximum compression. Lateral confinement arrests the growth and partially heals the wing crack. Growth and arrest of the wing crack occur repeatedly, as observed in dynamic compression experiments on brittle solids under lateral confinement. © 2005 The American Physical Society.

Original language	English
Journal	Physical Review Letters
Volume	95
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.95.135501
State	Published - Sep 23 2005
Externally published	Yes

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10.1103/PhysRevLett.95.135501

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title = "Dynamics of wing cracks and nanoscale damage in glass",

abstract = "We investigate initiation, growth, and healing of wing cracks in confined silica glass by molecular dynamics simulations. Under dynamic compression, frictional sliding of precrack surfaces nucleates nanovoids which evolve into nanocrack columns at the precrack tip. Nanocrack columns merge to form a wing crack, which grows via coalescence with nanovoids in the direction of maximum compression. Lateral confinement arrests the growth and partially heals the wing crack. Growth and arrest of the wing crack occur repeatedly, as observed in dynamic compression experiments on brittle solids under lateral confinement. {\textcopyright} 2005 The American Physical Society.",

author = "Zhen Lu and Nomura, \{Ken Ichi\} and Ashish Sharma and Weiqiang Wang and Cheng Zhang and Aiichiro Nakano and Rajiv Kalia and Priya Vashishta and Elisabeth Bouchaud and Cindy Rountree",

year = "2005",

month = sep,

day = "23",

doi = "10.1103/PhysRevLett.95.135501",

language = "English",

volume = "95",

journal = "Physical Review Letters",

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TY - JOUR

T1 - Dynamics of wing cracks and nanoscale damage in glass

AU - Lu, Zhen

AU - Nomura, Ken Ichi

AU - Sharma, Ashish

AU - Wang, Weiqiang

AU - Zhang, Cheng

AU - Nakano, Aiichiro

AU - Kalia, Rajiv

AU - Vashishta, Priya

AU - Bouchaud, Elisabeth

AU - Rountree, Cindy

PY - 2005/9/23

Y1 - 2005/9/23

N2 - We investigate initiation, growth, and healing of wing cracks in confined silica glass by molecular dynamics simulations. Under dynamic compression, frictional sliding of precrack surfaces nucleates nanovoids which evolve into nanocrack columns at the precrack tip. Nanocrack columns merge to form a wing crack, which grows via coalescence with nanovoids in the direction of maximum compression. Lateral confinement arrests the growth and partially heals the wing crack. Growth and arrest of the wing crack occur repeatedly, as observed in dynamic compression experiments on brittle solids under lateral confinement. © 2005 The American Physical Society.

AB - We investigate initiation, growth, and healing of wing cracks in confined silica glass by molecular dynamics simulations. Under dynamic compression, frictional sliding of precrack surfaces nucleates nanovoids which evolve into nanocrack columns at the precrack tip. Nanocrack columns merge to form a wing crack, which grows via coalescence with nanovoids in the direction of maximum compression. Lateral confinement arrests the growth and partially heals the wing crack. Growth and arrest of the wing crack occur repeatedly, as observed in dynamic compression experiments on brittle solids under lateral confinement. © 2005 The American Physical Society.

UR - https://www.scopus.com/pages/publications/27144432637

U2 - 10.1103/PhysRevLett.95.135501

DO - 10.1103/PhysRevLett.95.135501

M3 - Article

SN - 0031-9007

VL - 95

JO - Physical Review Letters

JF - Physical Review Letters

IS - 13

ER -

Dynamics of wing cracks and nanoscale damage in glass

Abstract

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