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Untitled - Sciencemadness Dot Org

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5.6 Heaits of Combustion and Formation at 250C.‘~<br />

AH: AH;<br />

-501.8 kcal/mole 14.7 kcal/mole<br />

5.7 Thermal Decomposition Kinetics.”<br />

Decomposition energy<br />

Activation energy<br />

Pre-exponential factor<br />

5.8 Other Thermal Stability Test Results.<br />

Vacuum<br />

500 Cal/g<br />

47.1 kcal/mole<br />

2.02 x lO’B/s<br />

Test Results<br />

DTA and pyrolysis<br />

Critical temperature, Tm<br />

Charge radius, a<br />

Density, p<br />

2<br />

Y<br />

6<br />

B<br />

o-<br />

0.1-0.3 ml/g of gas evolved<br />

after 48 h at 120°C<br />

See Fig. 2<br />

217°C<br />

3.5 mm<br />

1.72 g/cm”<br />

I I I, I I / , I I I I , / 1 I<br />

ol-*<br />

WAOLYSlS<br />

;i\ ,-<br />

0<br />

, I<br />

100 200 300 4w<br />

TEMPER*T”RE (‘Cl<br />

Fig. 2. RDX DTA and pyrolysis test results.<br />

RDX<br />

147

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