2020
DOI: 10.1088/1674-1056/abb3f2
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Atomistic study on tensile fracture of densified silica glass and its dependence on strain rate*

Abstract: Densification is a major feature of silica glass that has received widespread attention. This work investigates the fracture behavior of densified silica glass upon uniaxial tension based on atomistic simulations. It is shown that the tensile strength of the silica glass approximately experiences a parabolic reduction with the initial density, while the densified samples show a faster power growth with the increase of strain rate. Meanwhile, the fracture strain and strain energy increase significantly when the… Show more

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Cited by 3 publications
(1 citation statement)
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“…Among the relevant studies about the mechanical properties of silicon, a particularly intriguing question is how the applied strain rate affects its mechanical performance, fracture behaviors and deformation mechanisms. The corresponding solutions will not only deepen our understandings of damage tolerance and deformation behaviors [ 7 , 8 , 9 ], but may also create new opportunities and challenges for silicon nanodevices [ 10 , 11 ] and silicon-based anodes [ 12 , 13 ]. Usually, three widely known methods are used to explore the mechanical response of silicon under strain rate effects.…”
Section: Introductionmentioning
confidence: 99%
“…Among the relevant studies about the mechanical properties of silicon, a particularly intriguing question is how the applied strain rate affects its mechanical performance, fracture behaviors and deformation mechanisms. The corresponding solutions will not only deepen our understandings of damage tolerance and deformation behaviors [ 7 , 8 , 9 ], but may also create new opportunities and challenges for silicon nanodevices [ 10 , 11 ] and silicon-based anodes [ 12 , 13 ]. Usually, three widely known methods are used to explore the mechanical response of silicon under strain rate effects.…”
Section: Introductionmentioning
confidence: 99%