Post-Shock Temperature Measurements of Aluminum

Post-shock temperature is an important quantity in shock physics experiments for constraining the dynamic equations of state of materials. A high-speed, infrared, multi-wavelength pyrometer has been developed at Los Alamos National Laboratory (LANL) for measurements in the temperature range from 400...

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Bibliographic Details
Published inAIP conference proceedings Vol. 845; no. 1
Main Authors Seifter, A., Furlanetto, M. R., Payton, J. R., Obst, A. W., Stewart, S. T., Kennedy, G. B.
Format Journal Article
LanguageEnglish
Published United States 01.01.2006
Subjects
ALUMINIUM
COMPRESSION
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
EQUATIONS OF STATE
LANL
PRESSURE RANGE GIGA PA
PYROMETERS
SHOCK WAVES
SURFACES
TEMPERATURE DEPENDENCE
TEMPERATURE MEASUREMENT
TEMPERATURE RANGE 0400-1000 K
VALIDATION
VELOCITY
WAVELENGTHS
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Summary:Post-shock temperature is an important quantity in shock physics experiments for constraining the dynamic equations of state of materials. A high-speed, infrared, multi-wavelength pyrometer has been developed at Los Alamos National Laboratory (LANL) for measurements in the temperature range from 400 to 1200 K. With customized front end optics, permitting concurrent VISAR measurements in the same optical path, validation experiments on aluminum have been conducted at the new Shock Compression Laboratory at Harvard University. Under <1 millitorr vacuum, a post-shock temperature of 495 K {+-} 30 K was recorded from a polished free surface of aluminum 2024-T4 subject to a peak shock pressure of 34.8{+-}0.8 GPa, in excellent agreement with the equation of state and previous experiments.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2263284