Sensitising the micron-sized aluminium/potassium periodate thermite
Source abstract
Abstract
Addition of 10 wt-% Al/CuO and 5 wt-% Al/PTFE significantly sensitizes the Al/KIO4 thermite. The energetic performance of this micron-sized blend approached the performance of nanothermite systems without the processing problems associated with the latter. The ignition temperature was significantly lower than that reported for the nano-Al/KIO4 (about 470°C) and flame front speeds approached 1 km·s−1. Exothermic decomposition products that facilitate removal of the protective oxide surface layer on the aluminum are responsible for the performance enhancement. The reduced ignition temperature is attributed to a change from the gas-solid mechanism, operative in Al/KIO4, to a condensed phase mechanism.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Energetic Materials and Combustion · Acoustic Wave Resonator Technologies · Thermal and Kinetic Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Applied Materials, University of Pretoria, Pretoria, South Africa
Department of Mechanical and Aeronautical Engineering, University of Pretoria, Pretoria, South Africa
Research and Development AEL Mining Services, Modderfontein, South Africa
Funding
AEL Mining Services
References (34)
Show source-provided references
1. 10.1002/prep.20160008410.1002/prep.201600084 ↗
2. 10.1002/er.444013010710.1002/er.4440130107 ↗
3. 10.1016/0040-6031(82)85211-810.1016/0040-6031(82)85211-8 ↗
4. 10.1007/BF0074040210.1007/BF00740402 ↗
5. 10.1039/C0CP00473A10.1039/C0CP00473A ↗
6. 10.1016/j.pecs.2015.06.00110.1016/j.pecs.2015.06.001 ↗
7. 10.1021/acs.jpcc.6b1108110.1021/acs.jpcc.6b11081 ↗
8. 10.1002/zaac.20110005210.1002/zaac.201100052 ↗
9. 10.1002/prep.20170031110.1002/prep.201700311 ↗
10. 10.1016/0010-2180(66)90040-X10.1016/0010-2180(66)90040-X ↗
11. 10.1039/C6RA22712K10.1039/C6RA22712K ↗
12. 10.1016/j.powtec.2010.08.07110.1016/j.powtec.2010.08.071 ↗
13. 10.1002/anie.20130354510.1002/anie.201303545 ↗
14. 10.1002/anie.20140519510.1002/anie.201405195 ↗
15. 10.1016/j.cplett.2009.10.03810.1016/j.cplett.2009.10.038 ↗
16. 10.1002/anie.20120258910.1002/anie.201202589 ↗
17. 10.1016/j.apsusc.2014.07.11210.1016/j.apsusc.2014.07.112 ↗
18. 10.1007/s10973-009-0411-y10.1007/s10973-009-0411-y ↗
19. 10.1080/0010220060118233310.1080/00102200601182333 ↗
20. 10.1007/s10973-015-4589-x10.1007/s10973-015-4589-x ↗
21. 10.1088/2053-1591/aa882210.1088/2053-1591/aa8822 ↗
22. 10.1016/S0040-6031(02)00068-010.1016/S0040-6031(02)00068-0 ↗
23. 10.1016/j.jfluchem.2014.08.01210.1016/j.jfluchem.2014.08.012 ↗
24. 10.1021/acssuschemeng.5b0025410.1021/acssuschemeng.5b00254 ↗
25. 10.1002/prep.20120010210.1002/prep.201200102 ↗
26. 10.1016/j.combustflame.2013.08.00910.1016/j.combustflame.2013.08.009 ↗
27. 10.1080/1943084090343022010.1080/19430840903430220 ↗
28. 10.1016/j.tca.2006.09.00210.1016/j.tca.2006.09.002 ↗
29. 10.1016/j.dt.2018.06.00110.1016/j.dt.2018.06.001 ↗
30. 10.1016/j.cej.2018.11.21510.1016/j.cej.2018.11.215 ↗
31. 10.1007/BF0035316710.1007/BF00353167 ↗
32. 10.1016/j.combustflame.2018.01.01710.1016/j.combustflame.2018.01.017 ↗
33. 10.1039/c5ta00756a10.1039/c5ta00756a ↗
34. 10.1016/j.combustflame.2016.05.02410.1016/j.combustflame.2016.05.024 ↗