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PETN<br />

5.7 Thermal Decomposition Kinetics.18<br />

Decomposition energy 300 Cal/g<br />

Activation energy 47.0 kcal/mole<br />

Frequency factor 6.3 X lOl@/s<br />

5.8 Other Thermal Stability Test Results.<br />

Vacuum<br />

Test Results<br />

DTA and pyrolysis<br />

Critical temperature, Tm<br />

Charge radius, a<br />

Density, p<br />

6. DETONATION PROPERTIES<br />

136<br />

6.1 Detonation Velocity.14<br />

Effect of Density<br />

D = 1.608 + 3.933p for 0.57 < p < 1.585,<br />

where D is in millimeters per microsecond,<br />

and p is in grams per cubic centimeter.<br />

0.2-0.5 ml/g of gas evolved<br />

after 48 hat 100°C<br />

See Fig. 2<br />

192 “C<br />

3.4 mm<br />

1.74 g/cm8<br />

Fig. 2. PETN DTA and pyrolysis test results.

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