Laser ignitibility of insensitive secondary explosive 1,1-diamino-2,2-dinitroethene (FOX-7)

Show simple item record Fang, Xiao McLuckie, Warren G. 2019-11-04T14:44:11Z 2019-11-04T14:44:11Z 2014-12-15
dc.identifier.citation Fang X, McLuckie WG. Laser ignitibility of insensitive secondary explosive 1,1-diamino-2,2-dinitroethene (FOX-7). Journal of Hazardous Materials, Volume 285, March 2015, pp. 375-382 en_UK
dc.identifier.issn 0304-3894
dc.description.abstract An experimental investigation into laser ignitibility of insensitive secondary explosives, 1,1-diamino-2,2-dinitroethene (FOX-7) has been carried out, using a diode laser of continuous wave at the laser wavelength of 974 nm. The direct optical ignition of an insensitive explosive will add more safety features to insensitive munitions (IM) or explosive devices. In this study, effects of laser parameters on the ignitibility were analysed in terms of laser ignition threshold, the times to initiate the ignition and full combustion, and burning sustainability. The results have shown that carbon black (CB) as an optical sensitizer is compatible with FOX-7, and significantly enhances laser ignitibility of the explosive when a small amount of CB is uniformly doped in FOX-7. The delay times for ignition and subsequent development of sustainable burning of the material are mainly determined by ignition laser power, although the other laser parameters have effects. The minimum laser power required to ignite the optically sensitized FOX-7 was found below 10 W and a fast ignition was initiated in as short as 70 μs by a laser power of 40 W. Also the effect of the mixture uniformity of FOX-7/CB on laser ignition performance was evaluated in this study. en_UK
dc.language.iso en en_UK
dc.publisher Elsevier en_UK
dc.rights Attribution-NonCommercial-NoDerivatives 4.0 International *
dc.rights.uri *
dc.subject Insensitive explosive en_UK
dc.subject Laser ignition en_UK
dc.subject Optical sensitizer en_UK
dc.subject FOX-7 en_UK
dc.subject Carbon black en_UK
dc.title Laser ignitibility of insensitive secondary explosive 1,1-diamino-2,2-dinitroethene (FOX-7) en_UK
dc.type Article en_UK
dc.identifier.cris 4132507

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