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Untitled - Sciencemadness Dot Org

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Explosive<br />

Table 3.35 PBX 9206 (HMX/KEL-F) ON DURAL<br />

DETONATION PROPERTIES<br />

HMX/Kel.-F 3700: 92/8. 1.837 f 0.001 g/cm3. Two 76-mm-thick, 156-mm-diam<br />

pieces to ma.ke a 152-mm thickness. P-080 booster. D = 8.725 km/s at 41-mm diam<br />

and p. = 1852 g/cm2.<br />

Plates<br />

Dural.<br />

Analysis<br />

Shot<br />

No.<br />

Plate Plate<br />

Density Thickness<br />

k/cmS) (mm)<br />

Free-Surface<br />

Velocity<br />

(km/s)8<br />

7c 225 2.788 6.34 3.658 zt 0.018<br />

7c 210 2.774 12.81 3.560 f 0.032<br />

7c 211 2.774 19.14 3.487 f 0.022<br />

7c 212 2.774 25.10 3.511 f 0.014<br />

7C 254 2.782 25.74 3.445 f 0.017<br />

7C 214 2.782 38.13 3.307 z!z 0.008<br />

7C 215 2.782 50.79 3.195 f 0.027<br />

----- ----<br />

BMean and standard deviation of seven determinations on each<br />

shot.<br />

Linear le,ast squares fitting gives Uf, = 3.710 km/s - 0.01016 t (mm). At t = 0,<br />

plate US =7.821 km/s and P, = 39.93 GPa. Acoustic approximation with D = 8.685<br />

km/s, pox =- 1.837 g/cm3, and porn = 2.779 g/cm3 gives corresponding explosive<br />

parameters of P, = 34.62 GPa, Up, = 2.170 km/s, and y = 3.002.<br />

269

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