An atomic-scale evaluation of the fracture toughness of silica glass

Jones, Reese E.; Rimsza, Jessica M.; Criscenti, Louise J.

doi:10.1088/1361-648X/aac28b

An atomic-scale evaluation of the fracture toughness of silica glass

Journal Article · Tue May 29 00:00:00 EDT 2018 · Journal of Physics. Condensed Matter

DOI:https://doi.org/10.1088/1361-648X/aac28b· OSTI ID:1474057

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Sandia National Lab. (SNL-CA), Livermore, CA (United States). Mechanics of Materials Dept.
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Geochemistry Dept.

Using an atomistic technique consistent with continuum balance laws and drawing on classical fracture mechanics theory, we estimate the resistance to fracture propagation of amorphous silica. Here, we discuss correspondence and deviations from classical linear elastic fracture mechanics theory including size dependence, rigid/floppy modes of deformation, and the effects of surface energy and stress.

View Accepted Manuscript (DOE)

Research Organization:: Sandia National Laboratories (SNL-CA), Livermore, CA (United States); Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: AC04-94AL85000; NA0003525

OSTI ID:: 1474057

Alternate ID(s):: OSTI ID: 23009447

Report Number(s):: SAND--2018-10171J; 667928

Journal Information:: Journal of Physics. Condensed Matter, Journal Name: Journal of Physics. Condensed Matter Journal Issue: 24 Vol. 30; ISSN 0953-8984

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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