Laser-shock compression experiment on magnesium hydride

Laser-shock compression experiment on magnesium hydride

A dynamic high-pressure experiment was performed on magnesium hydride to measure the Hugoniot equation-of-state point using laser-driven shock waves. By measuring the mean shock velocity of MgH2 and the time-resolved shock velocity of the quartz reference, the Hugoniot state of MgH2 at 150 GPa was d...

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Veröffentlicht in:High energy density physics 2019-11, Vol.33, p.100703, Article 100703
Hauptverfasser: Morioka, S., Ozaki, N., Hosomi, M., Katagiri, K., Matsuoka, T., Miyanishi, K., Okuchi, T., Sano, T., Umeda, Y., Kodama, R.
Format: Artikel
Sprache:eng
Schlagworte:
Hugoniot measurement
Laser-driven shock
Magnesium hydride
Shock compression
Velocity interferometer
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Zusammenfassung:A dynamic high-pressure experiment was performed on magnesium hydride to measure the Hugoniot equation-of-state point using laser-driven shock waves. By measuring the mean shock velocity of MgH2 and the time-resolved shock velocity of the quartz reference, the Hugoniot state of MgH2 at 150 GPa was determined. The reliability of the data is ensured by using another reference material, polystyrene, which is next to the sample and is compressed by the same. This work validates the experimental methodology to obtain further high-pressure data of MgH2 with high accuracy.
ISSN:1574-1818
1878-0563
DOI:10.1016/j.hedp.2019.100703