Ken-ichi Nomura et al 2009 J. Phys. D: Appl. Phys. 42 214011 doi:10.1088/0022-3727/42/21/214011
Ken-ichi Nomura1, Yi-Chun Chen1, Wang Weiqiang1, Rajiv K Kalia1, Aiichiro Nakano1, Priya Vashishta1 and Lin H Yang2
Show affiliationsIn this review, we present our recent results for atomistic mechanisms of damage nucleation and growth and dynamic fracture in silica glass. These results have been obtained with multimillion-to-billion atom, parallel, molecular dynamics simulations of (1) the interaction and coalescence of nanovoids in amorphous silica subjected to dilatational strain and (2) the nucleation, growth and healing of wing cracks and damage nanocavities in silica glass under impact loading. We also give an overview of our current efforts to perform dynamic fracture simulations over microsecond time scales and multiscale simulations of stress corrosion cracking in silica glass.
62.20.M- Structural failure of materials
61.43.Bn Structural modeling: serial-addition models, computer simulation
81.40.Np Fatigue, corrosion fatigue, embrittlement, cracking, fracture, and failure
Issue 21 (7 November 2009)
Received 23 March 2009, in final form 24 March 2009
Published 22 October 2009
Ken-ichi Nomura et al 2009 J. Phys. D: Appl. Phys. 42 214011
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