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| dc.contributor.author | Ilunga, K.
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| dc.contributor.author | Del Fabbro, Olinto
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| dc.contributor.author | Yapi, L.
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| dc.contributor.author | Focke, Walter Wilhelm
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| dc.date.accessioned | 2011-02-18T09:11:56Z | |
| dc.date.available | 2011-02-18T09:11:56Z | |
| dc.date.issued | 2011-01 | |
| dc.description.abstract | The ignition temperature of the Al–CuO thermite was measured using DTA at a scan rate of 50 °C min−1 in a nitrogen atmosphere. Thermite reactions are difficult to start as they require very high temperatures for ignition, e.g. for Al–CuO thermite comprising micron particles it is ca. 940 °C. Itwas found that the ignition temperature is significantly reduced when the binary Si–Bi2O3 system is added as sensitizer. Further improvement is achieved when the reagents are nano-sized powders. For the composition Al+CuO+Si+Bi2O3 (65.3:14.7:16:4 wt.%), with all components nano-sized, the observed ignition temperature is ca. 613 °C and a thermal runaway reaction is observed in the DTA. | en_US |
| dc.description.sponsorship | Financial support from the THRIP programme of the Department of Trade and Industry and the National Research Foundation as well as African Explosives Limited is gratefully acknowledged. | en_US |
| dc.identifier.citation | Ilunga, K, Del Fabbro, O, Yapi, L & Focke, WW 2011, 'The effect of Si-Bi2O3 on the ignition of the Al-CuO thermite', Powder Technology, vol. 205, no. 1-3, pp. 97-102. [http://www.elsevier.com/locate/powtec] | en_US |
| dc.identifier.issn | 0032-5910 | |
| dc.identifier.other | 10.1016/j.powtec.2010.08.071 | |
| dc.identifier.uri | http://hdl.handle.net/2263/15875 | |
| dc.language.iso | en | en_US |
| dc.publisher | Elsevier | en_US |
| dc.rights | © 2010 Elsevier B.V. | en_US |
| dc.subject | Pyrotechnics | en_US |
| dc.subject | Thermite | en_US |
| dc.subject | Ignition temperature | en_US |
| dc.subject | Nanoparticles | en_US |
| dc.subject.lcsh | Nanochemistry | en |
| dc.subject.lcsh | Metal powders | en |
| dc.subject.lcsh | Nanosilicon | en |
| dc.subject.lcsh | Bismuth trioxide | en |
| dc.subject.lcsh | Aluminum-copper alloys -- Thermal properties | en |
| dc.subject.lcsh | Nanoparticles | en |
| dc.title | The effect of Si-Bi2O3 on the ignition of the Al-CuO thermite | en_US |
| dc.type | Postprint Article | en_US |
