Hugoniot equation of state of basalt

Details Hugoniot equation of state of basalt Hugoniot equation of state of basalt

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997p%26ss...45.1489n&link_type=abstract

Planetary and Space Science, v. 45, p. 1489-1492.

Computer Science

8

Scientific paper

Shock compression experiments on Kinosaki basalt using an in-material gauge were carried out in the interests of elucidation of planetesimal collisions in the early solar nebula. Hugoniot equation of state is necessary for estimating impact induced pressure. Hugoniot of Kinosaki basalt is also useful to analyze previous impact disruption results. Using in-material pressure gauge the shock pressure profile and shock wave velocity (Us) is measured to establish continuous Hugoniot equation of state in the range 1-45 GPa. Although no substantial step was detected in the shock pressure profiles, Hugoniot elastic limit (HEL) was identified at 5 GPa based on the Us-up relationship where up is the particle velocity and is calculated by the impedance matching method. The shock profile showed long rise time and no substantial step at HEL. These features can be explained by the constitution of multigrained basalt.

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