Research Article
Kinetic Analysis of the Thermal Decomposition of Polymer-Bonded Explosive Based on PETN: Model-Fitting Method and Isoconversional Method
Table 2
Different reaction models generally applied to describe the thermal decomposition in solids [
21,
22,
24,
25].
| | Model no. | Reaction model | | |
| | 1 | Avarami-Erofe’ev (A2) | | [−ln]1/2 | | 2 | Avarami-Erofe’ev (A3) | | [−ln]1/3 | | 3 | Avarami-Erofe’ev (A4) | | [−ln]1/4 | | 4 | Power law (P2) | 2φ(1/2) | φ(1/2) | | 5 | Power law (P3) | 3φ(2/3) | φ(1/3) | | 6 | Power law (P4) | 4φ(3/4) | φ(1/4) | | 7 | 1-D diffusion (D1) | 1/(2φ) | φ2 | | 8 | 2-D diffusion (D2) | | [ln] + φ | | 9 | 3-D diffusion-Jander (D3) | [32/3]/2 | [1/3]2 | | 10 | First-order (F1) | | −ln | | 11 | Second-order (F2) | 2 | | | 12 | Third-order (F3) | 3 | /2 | | 13 | Contracting area (R2) | 21/2 | | | 14 | Contracting volume (R3) | 32/3 | |
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