Untitled - Sciencemadness Dot Org

7. SHOCK INITIATION PROPERTIES
7.1 Gap Test Results.21
Density
(g/cm”)
GO LB6
(mm) (mm) Remarks
Large Scale
0.800 61.49 0.38 Bulk density flake
1.024 61.54 0.20 Pressed
1.220 56.26 0.08 Pressed
1.356 55.02 0.25 Pressed
1.505 54.92 0.30 Pressed
1.551 54.46 0.28 Pressed
1.595 52.53 0.18 Pressed
1.631 46.43 0.30 Pressed
1.615 28.30 0.64 Cast
Small Scalea
0.77 4.11 0.08 Granular at bulk.
density
0.84 No go at Flake at bulk
zero gap density
1.628 0.33 0.05 Pressed at 65°C
---.--__--
“The failure diameter of cast TNT is 14.5 mm, so it cannot be initiated in the
small-scale gap test.
7.2 Wedge Test Results.22
Density
(g/cm”)
Distance, x*, and Time, t*,
to Detonation
(mm and ~9)
1.62 to log P = (1.40 f 0.03) - (0.32 f 0.03) logx*
1.634 log P = (1.16 f 0.03) - (0.31 f 0.05) log t*,
where P = pressure in gigapascals.
Pressure Range
(@a)
9.17 < P < 17.1
TNT
183