Shock-ramp of SiO2 melt

Shock-ramp of SiO2 melt

SiO2 glass has been shock-melted at 100 GPa and then ramp compressed on the Z Accelerator at Sandia National Laboratories. In a shock-ramp experiment, a shockless ramp wave follows the shock impact, isentropically compressing the sample. This technique provides access to off-Hugoniot states, which a...

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Bibliographische Detailangaben
Hauptverfasser: Clark, Alisha N., Lane, J. Matthew D., Davis, Jean-Paul, Sarafian, Adam R., Cochrane, Kyle R., Townsend, Joshua P., Jacobsen, Steven D.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Compressibility
Data analysis
Longitudinal waves
Molecular dynamics
Silicon dioxide
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Zusammenfassung:SiO2 glass has been shock-melted at 100 GPa and then ramp compressed on the Z Accelerator at Sandia National Laboratories. In a shock-ramp experiment, a shockless ramp wave follows the shock impact, isentropically compressing the sample. This technique provides access to off-Hugoniot states, which are of importance to both materials and planetary sciences. Here we present results from shock-ramp experiments for two compositions of SiO2 glass, one with 1000 ppm by weight and one with
ISSN:0094-243X
1551-7616
DOI:10.1063/12.0020419