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Title: Recent Advances in High-Pressure Equation-of-State Capabilities

Abstract

For many scientific and programmatic applications, it is necessary to determine the shock compression response of materials to several tens of Mbar. In addition, a complete EOS is often needed in these applications, which requires that shock data be supplemented with other information, such as temperature measurements or by EOS data off the principal Hugoniot. Recent developments in the use of fast pulsed power techniques for EOS studies have been useful in achieving these goals. In particular, the Z accelerator at Sandia National Laboratories, which develops over 20 million amperes of current in 100-200 ns, can be used to produce muM-Mbar shock pressures and to obtain continuous compression data to pressures exceeding 1 Mbar. With this technique, isentropic compression data have been obtained on several materials to pressures of several hundred kbar. The technique has also been used to launch ultra-high velocity flyer plates to a maximum velocity of 14 km/s, which can be used to produce impact pressures of several Mbar in low impedance materials and over 10 Mbar in high impedance materials. The paper will review developments in both of these areas.

Authors:
; ;
Publication Date:
Research Org.:
Sandia National Labs., Albuquerque, NM (US); Sandia National Labs., Livermore, CA (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
760769
Report Number(s):
SAND2000-0849C
TRN: US0005315
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Conference
Resource Relation:
Conference: EXPLOMET 2000, Albuquerque, NM (US), 06/19/2000--06/22/2000; Other Information: PBD: 24 Jul 2000
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ACCELERATORS; COMPRESSION; IMPEDANCE; PLATES; SANDIA NATIONAL LABORATORIES; TEMPERATURE MEASUREMENT; VELOCITY

Citation Formats

ASAY,JAMES R., HALL,CLINT A., and KNUDSON,MARCUS D. Recent Advances in High-Pressure Equation-of-State Capabilities. United States: N. p., 2000. Web.
ASAY,JAMES R., HALL,CLINT A., & KNUDSON,MARCUS D. Recent Advances in High-Pressure Equation-of-State Capabilities. United States.
ASAY,JAMES R., HALL,CLINT A., and KNUDSON,MARCUS D. Mon . "Recent Advances in High-Pressure Equation-of-State Capabilities". United States. https://www.osti.gov/servlets/purl/760769.
@article{osti_760769,
title = {Recent Advances in High-Pressure Equation-of-State Capabilities},
author = {ASAY,JAMES R. and HALL,CLINT A. and KNUDSON,MARCUS D.},
abstractNote = {For many scientific and programmatic applications, it is necessary to determine the shock compression response of materials to several tens of Mbar. In addition, a complete EOS is often needed in these applications, which requires that shock data be supplemented with other information, such as temperature measurements or by EOS data off the principal Hugoniot. Recent developments in the use of fast pulsed power techniques for EOS studies have been useful in achieving these goals. In particular, the Z accelerator at Sandia National Laboratories, which develops over 20 million amperes of current in 100-200 ns, can be used to produce muM-Mbar shock pressures and to obtain continuous compression data to pressures exceeding 1 Mbar. With this technique, isentropic compression data have been obtained on several materials to pressures of several hundred kbar. The technique has also been used to launch ultra-high velocity flyer plates to a maximum velocity of 14 km/s, which can be used to produce impact pressures of several Mbar in low impedance materials and over 10 Mbar in high impedance materials. The paper will review developments in both of these areas.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {7}
}

Conference:
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