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Probing the properties and mechanisms of failure waves in soda-lime glass

Joshi, Akshay and Ravindran, Suraj and Gandhi, Vatsa and Ravichandran, Guruswami (2021) Probing the properties and mechanisms of failure waves in soda-lime glass. Journal of Applied Physics, 129 (18). Art. No. 185902. ISSN 0021-8979. https://resolver.caltech.edu/CaltechAUTHORS:20210514-140222144

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Abstract

Soda-lime glass (SLG) and other silica glasses exhibit the failure wave phenomenon under shock compression. The mechanism responsible for this peculiar behavior of glasses is still unresolved. In this study, a series of plate impact experiments was performed at three different impact stresses of 6.4, 8.3, and 10.8 GPa to better understand the mechanisms underlying the failure wave phenomenon. Specifically, spall experiments were conducted to probe the speed and existence of failure waves at different stresses in SLG. A layered glass target was used to probe the possibility of a “renucleation” of the wave at the SLG–SLG interface. When it existed, the failure wave was inferred to propagate at a speed of 1.3 km/s. However, it was observed that the failure wave phenomenon ceases to exist for impact stresses higher than 10 GPa. In experiments with a 6.4 GPa impact stress, the peak free surface velocity was significantly less than what is predicted by stress-Hugoniot calculations. This velocity deficit and other important features of the measured free surface velocity profiles were simulated using finite element analysis by incorporating an abrupt densification of SLG at a critical stress in the equation of state. This densification feature is similar to what would be expected of a phase transition. Although unable to unambiguously reveal the mechanism causing the failure wave phenomenon, the results of the present work clearly indicate that the failure wave causes a secondary compression and densification in SLG.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1063/5.0047950DOIArticle
ORCID:
AuthorORCID
Joshi, Akshay0000-0001-8347-8357
Ravindran, Suraj0000-0003-2930-7906
Gandhi, Vatsa0000-0002-6752-113X
Ravichandran, Guruswami0000-0002-2912-0001
Additional Information:© 2021 Author(s). Published under an exclusive license by AIP Publishing. Submitted: 17 February 2021 · Accepted: 16 April 2021 · Published Online: 11 May 2021. The authors are grateful for the support from the Office of Naval Research (Award No. N00014-16-1-2839) for research on dynamic behavior of soda-lime glass. G.R. acknowledges the support of DOE/NNSA (Award No. DE-NA0003957). DATA AVAILABILITY. The data that support the findings of this study are available within this article and from the corresponding author upon request.
Funders:
Funding AgencyGrant Number
Office of Naval Research (ONR)N00014-16-1-2839
Department of Energy (DOE) National Nuclear Security AdministrationDE-NA0003957
Issue or Number:18
Record Number:CaltechAUTHORS:20210514-140222144
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210514-140222144
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:109137
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:14 May 2021 21:34
Last Modified:14 May 2021 21:34

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