Propellant charge or grain

The invention is directed to a propellant charge, to a method of preparing a propellant charge, and to uses of the propellant charge. The propellant charge or grain of the invention comprises two or more energetic materials with different linear burn rate, wherein the two or more energetic materials...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Van Driel, Christoffel Adrianus, Straathof, Michiel Hannes
Format:	Patent
Sprache:	eng
Schlagworte:	AMMUNITION BLASTING CHEMISTRY EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION EXPLOSIVES EXPLOSIVES OR THERMIC COMPOSITIONS HEATING LIGHTING MANUFACTURE THEREOF MATCHES MECHANICAL ENGINEERING METALLURGY USE OF SINGLE SUBSTANCES AS EXPLOSIVES WEAPONS
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Beschreibung
Zusammenfassung:	The invention is directed to a propellant charge, to a method of preparing a propellant charge, and to uses of the propellant charge. The propellant charge or grain of the invention comprises two or more energetic materials with different linear burn rate, wherein the two or more energetic materials are distributed within the charge or grain such that two perpendicular cross-sections of said propellant charge or grain have at least two linear burn rate gradients in non-parallel directions, wherein said propellant charge or grain is layered with layers having a layer thickness in the range of 1-10 000 μm, wherein, if the propellant charge or grain has a longitudinal axis, at least one of said perpendicular cross-sections is along said longitudinal axis, and wherein said propellant charge or grain further comprises one or more perforations.