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Shock response of low-density silica aerogel in the multi-Mbar regime
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10.1063/1.4817433
/content/aip/journal/jap/114/5/10.1063/1.4817433
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/5/10.1063/1.4817433

Figures

Image of FIG. 1.
FIG. 1.

Schematic view of the load configuration, in this case, the coaxial geometry.

Image of FIG. 2.
FIG. 2.

Representative experimental VISAR data. Black line, aluminum flyer-plate velocity; gray line, aerogel shock velocity. The inset shows a schematic of the experimental configuration. Note the dimensions are not to scale.

Image of FIG. 3.
FIG. 3.

Nominally 110 mg/cc silica aerogel Hugoniot. : solid black line, Sesame 7360; dashed black line, Zhernokletov. : filled circles, Vildanov; filled diamonds, this work. Solid gray line is a weighted fit to the plate-impact data from this work.

Image of FIG. 4.
FIG. 4.

Nominally 200 mg/cc silica aerogel Hugoniot. : solid black line, Sesame 7360; dashed black line, Zhernokletov. : open circles, Simakov and Trunin; filled circles, Vildanov; open squares, Boehly; filled diamonds, this work. Solid gray line is a weighted fit to the plate-impact data from this work and Ref. .

Image of FIG. 5.
FIG. 5.

Slope and intercept for linear fits to the plate-impact data and models for the nominally 110 (gray circles) and 200 mg/cc (black diamonds) silica aerogel.

Image of FIG. 6.
FIG. 6.

110 mg/cc silica aerogel Hugoniot. : solid black line, Sesame 7360; dashed black line, Zhernokletov. : filled circles, Vildanov; filled diamonds, this work. Solid gray line is weighted fit to the plate-impact data from this work. Contours represent the one-sigma uncertainty for the present work.

Image of FIG. 7.
FIG. 7.

200 mg/cc silica aerogel Hugoniot. : solid black line, Sesame 7360; dashed black line, Zhernokletov. : open circles, Simakov and Trunin; filled circles, Vildanov; open squares, Boehly; filled diamonds, this work. Solid gray line is weighted fit to the plate-impact data from this work and Ref. . Contours represent the one-sigma uncertainty for the most recent data from the present work.

Tables

Generic image for table
Table I.

Aluminum coefficients and covariance matrix elements.

Generic image for table
Table II.

110 mg/cc silica aerogel Hugoniot data. , and are the measured flyer-plate velocity at impact, shock velocity of the aerogel sample, and aerogel initial density, respectively. , and are the inferred particle velocity, density compression, and pressure in the shocked state, respectively, as determined by the impedance matching method described in the text.

Generic image for table
Table III.

200 mg/cc silica aerogel Hugoniot data. Variables as defined in Table II .

Generic image for table
Table IV.

Silica aerogel coefficients and covariance matrix elements.

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/content/aip/journal/jap/114/5/10.1063/1.4817433
2013-08-02
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Shock response of low-density silica aerogel in the multi-Mbar regime
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/5/10.1063/1.4817433
10.1063/1.4817433
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