1987
DOI: 10.1002/prep.19870120105
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Improved Mixing, Granulation and Drying of Highly Energetic Pyromixtures

Abstract: 17 Verbeswrungen beim Mischen, Granulieren und Trocknen von hochenergetischen pyrotechnischen Mischungen Ubcr eine sicherere und wirksamere Methode des Mischens, Granulierens und Trocknens (MIGRAD) von hochenergetischen pyrotechnischen Mischungen wird berichtet. Es wurde dafiir ein MIGRAD-Mischer bzw. Granulator venvendet, der ausgelegt ist fur das Mischen, Granulieren und Trocknen pyrotechnischer Materialien (10-20 kg) in einer Einfach-Mischkammer. Besondere Merkmale des Prozesses sind Fernbeschickung und -en… Show more

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Cited by 7 publications
(3 citation statements)
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“…b) Calculated using data from Ref. [29].The compositioni nc urrent use,I M-28, contains 50 wt-% magnalium (MgAl), 40 wt-% Ba(NO 3 ) 2 ,a nd 10 wt-% KClO 4[36].Like KClO 4 ,barium nitrate and other barium-based oxidizers have been targeted for removalf rom military pyrotechnics. Griffiths developed candidate replacement formulations exhibitingi mpressive performance through the use of MgAl and NaNO 3[37].H owever,N aNO 3 is quite hygroscopic and poor long-term agingc ould result if moisture cannot be rigorously excludedd uring manufacturing.…”
mentioning
confidence: 99%
“…b) Calculated using data from Ref. [29].The compositioni nc urrent use,I M-28, contains 50 wt-% magnalium (MgAl), 40 wt-% Ba(NO 3 ) 2 ,a nd 10 wt-% KClO 4[36].Like KClO 4 ,barium nitrate and other barium-based oxidizers have been targeted for removalf rom military pyrotechnics. Griffiths developed candidate replacement formulations exhibitingi mpressive performance through the use of MgAl and NaNO 3[37].H owever,N aNO 3 is quite hygroscopic and poor long-term agingc ould result if moisture cannot be rigorously excludedd uring manufacturing.…”
mentioning
confidence: 99%
“…Bladed mixers and ribbon blenders can cause fires [37]. The MIGRAD mixer/granulator was specifically designed to mix, granulate and dry a pyrotechnic material (10-20 kg) within a single mixing chamber [133]. It provides a safer and more efficient method of mixing, granulating and drying, even highly energetic pyrotechnic compositions.…”
Section: Mixingmentioning
confidence: 99%
“…Although black powder is the oldest explosive known, it is still being used due to its peculiar properties [6]. Extensive studies [7][8][9] have been carried out and a substitute has been sought [10].Sodium nitrate is used as an oxidizer in propellants for air-augmented rocket applications [11][12] and trip flare or ignition mixtures [13].In our study the KNO3 has been substituted by NaNO3 and the combustion behaviour of mixtures containing NaNO3, carbon black/charcoal and S has been studied by DSC, TG/DTG and FTIR emission spectroscopy. …”
mentioning
confidence: 99%