Research Article
Uranium Dust Cloud Combustion: Burning Characteristics and Absorption Spectroscopy Measurements
Table 1
Powder characterization for burn time testing [
15,
38,
48–
59].
| | Element | Mass (mg) | Metal (kJ/mol) | Oxide (kJ/mol) | Oxide volatilization temperature (K) | Metal boiling point (K) | Source |
| | U | 6 | 3 | 2.6 | 4.1 | 3.6 | 5.4 | 477 | 621 | ∼3800 | 4404 | Reduced from oxide | | Al | 2.6 | 2.2 | 2.2 | 2.2 | 2.8 | 2.2 | 284 | 1860 | 4000 | 2791 | Alfa aesar | | B | 2.4 | 3.5 | 2.3 | 2.3 | 2.3 | — | 499 | 360 | 2340 | 4139 | Alfa aesar | | Fe | 3.3 | 2.3 | 3.5 | 3.2 | 3.2 | 2.6 | 354 | 610 | 3400 | 3133 | Alfa aesar | | Hf | 3.9 | 2.8 | 2.4 | — | — | — | 648 | 1461 | ∼4350 | 4575 | Alfa aesar | | Mo | 3.8 | 3.6 | 3.7 | 3.4 | 3.6 | — | 617 | 333 | 900 | 5833 | Alfa aesar | | Si | 2.6 | 2.3 | 2.7 | — | — | — | 383 | 353 | 2633 | 3177 | Sigma aldrich | | Ta | 2.2 | 3.7 | 3.3 | 3.6 | 2.4 | — | 753 | — | 1200 | 5693 | Alfa aesar | | Ti | 3 | 2.4 | 3 | 3.3 | 2.4 | — | 427 | 1890 | 3300 | 3631 | Alfa aesar | | W | 2.3 | 2.3 | 3 | 3.8 | 3.1 | — | 774 | 452 | 1970 | 6203 | Alfa aesar | | Zr | 2.2 | 3.9 | 3.7 | — | — | — | 591 | 920 | 4280 | 4703 | Alfa aesar |
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