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Table 4.05 (continued)
SHOCK INITIATION PROPERTIES
Coordinates for
High-Order
Initial Shock Parameters Detonation Driving
Shot PO UP0 US, X* System Thickness
Number (GPa) (mm/ps) (mm/ps) (mm) (2 (mm)
- - ___ ___ - -
E-1897 25.85 2.167 7.067
E-1908 27.28 2.336 6.918
Shot P
Number (GPa)
-- -
Data from the lo-mm LeveF
2.643 --- N, 6 Plex
1.954 --- T, 6 Plex
UP US
(mdm) (mm/m)
E-1890 10.1 1.207 4.952
E-1987 16.3 1.667 5.800
E-1989 21.7 2.045 6.278
E-1896 21.2 1.979 6.359
E-1988 detonated 8.387
E-1891 detonated 8.232
E-1939 detonated 8.268
E-1897 detonated 8.379
E-l!308
---------detonated
8.384
“Distributed about 250 pm.
“Almost constant.
‘Decelerates.
dNonuniform initiation produced unrealistically large x*.
Driving
System Thickness
(mm)
R, 6.3 Plex
I, 1.0 D-38
M, 1.02 D-38
G, 6.3 Plex
U, 25 Plsx
J, 6 Plex
L, 6 Plex
N, 6 Plex
T, 6 Plex
“P and U, were deduced from the initial U,, of a 2.26-mm-thick 2024T-4 Dural plate placed
on a flat at the lo-mm level of the NQ wedge.
Reduced Data
Large grain, all densities
U,,, = (3.544 f 0.524) + (1.459 f 0.276) U,,.
log P = (1.44 f 0.07) - (0.15 f 0.08) log x* for 13.35 < P < 26.28.
1ogP = (1.32 f 0.03) - (0.15 f 0.07) log t*.
Com,mercial grain
U,,, = (3.048 f 0.254) + (1.725 f 0.135) U,,.
log P = (1.51 f 0.02) - (0.26 f 0.03) log x* for 21.2 < P < 27.1.
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