Xiaolan SONG, Yi WANG, Chongwei AN, Fengsheng LI Abstract: Molecular perovskite energetic material DAP-4, i.e. (H2dabco)[NH4(ClO4)3], is a very excellent explosive, but its friction sensitivity is too high and the raw materials are slightly expensive. Therefore, in order to obtain an explosive with performance close to DAP-4, lower sensitivity and cost than DAP-4, and a …
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Luminescent properties of inexpensive and insensitive energetic colour composites with different binders
Yi Wang, Xiaolan Song, Chongwei An and Fengsheng Li Abstract: Three very inexpensive and readily available colour composites (red, green, and blue) with different binders were prepared by a mechanical milling method. Their micron morphology, thermal reactions, and safety characteristics were evaluated. In particular, as a focus of this work, their combustion performances were investigated …
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A New Model for Pyrotechnic Strobes
Richard Harrison Abstract: Existing models that purport to describe the mechanisms that occur in an ignited pyrotechnic strobe composition can all be shown to fail, in one respect or another, to match the observed behavior. By including separate reaction mechanisms for the smolder and flash phases, the proposed new model can avoid all such failings. …
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A Study of Ambient Air Quality Impact of Fireworks and Pyrotechnics in 2023-2024 in Hong Kong
Chee Hang Chan, Wing Cheong Lo Abstract: As the Hong Kong government announced monthly fireworks and pyrotechnics displays to promote the city as a tourist destination in February 2024, some environmental groups raised concerns about the air pollution impact from fireworks and pyrotechnics in the Victoria Harbour, claiming that the monthly fireworks will generate air …
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A Study of a Set of Pyrotechnic Strobe Compositions Based on Ammonium Perchlorate
Richard Harrison Abstract: The subject of this study is a set pyrotechnic strobe compositions, containing ammonium perchlorate, a magnesium-aluminum alloy, barium sulfate and potassium dichromate, together with a small amount of nitrocellulose to act as a binder. Despite the fact that compositions of this type have been previously studied in some detail, there is still …
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A Study of a Set of Nitrate-Based Pyrotechnic Strobe Compositions
Richard Harrison Abstract: The subject of this study is a set of simple pyrotechnic strobe compositions, containing only barium nitrate, a magnesium-aluminum alloy and sulfur, together with a small amount of nitrocellulose to act as a binder. Despite the fact that compositions of this type have been known for well over one hundred years, thare …
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Addendum – High Res images for article – The Senko Hanabi Sparkler: A Study Of Its Reaction Mechanisms
Addendum – High res images for article – The Senko Hanabi Sparkler: A Study Of Factors Affecting Construction And Performance
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Polysulfide sparklers revisited: a practical introduction to Carbo Hanabi
Frederick Van Der Sypt, M.D Abstract: Polysulfide sparklers in the form of Senko Hanabi have been enjoyed for centuries. Research has shown that potassium nitrate can be replaced with non-oxidizing salts providing equally performing compositions that are non-explosive. This article aims to translate this research into practice and presents a detailed construction method for Carbo …
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Pyrotechnic Chemistry
K. & B. Kosanke, N. Kubota, B. Sturman, C. Jennings-White, T. Shimizu, D. Chapman, M. A. Wilson, D. R. Dillehay, I. von Maltitz, T. Smith, R. J. Hancox and M. Podlesak Abstract: The complete Pyrotechnic Chemistry course Ref: JPyro 2022 (H)