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SHOCK INITIATION PROPERTIES
Table 4.06 (continued) PETN (PRESSED), DRIVEN BY A GAS GUN
IP,(calc)
@Pa)
--
0.418 1.66
0.426 1.70
0.439 1.76
0.452 1.83
0.460 1.85
0.508 2.08
0.518 2.13
0.526 2.16
0.540 2.24
0.571 2.38
0.602 2.54
Initial Shock Parameters
(G:a)
p. = 1.75 g/cm3
U.,
X3
bm/ps) (mm)
1.82 0.300 3.47 >6.4
-__ --- __- 6.24
___ _-_ --- 5.85
1.47 0.352 2.39 5.83
--- _-_ --- 4.48
2.15 0.363 3.39 5.08
_-- __- --- 4.28
-_- --- _-- 3.29
2.13 0.397 3.06 2.97
2.52 0.408 3.53 3.78
2.49 0.435 3.27 2.62
p. = 1.4 g/cm3
0.313 0.66 0.42 0.284
0.294 0.57 0.37 0.268
0.317 0.67 0.41 0.290
0.357 0.78 0.58 0.318
0.407 0.99 0.79 0.354
0.305 0.62 0.42 0.278
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“Velocity is thai; of 7075 aluminum alloy projectile.
Reduced Da.ta
U,, = 2.26 + 2.32 U,, (mm/p).
p. = 1.75 g/cm3.
For 1.7 < P < 2.54,
log P = (0.57 f 0.04) -(0.41 kl 0.06) log x”, and
log P = (0.33 f 0.02) - (0.22 f 0.16) log t*,
p. = 1.4 g;/cm3.
For 0.66