Abstract
The study describes the results of static, physicochemical and ballistic examination of double-based gunpowder charges, in order to establish the deviations from the demanded quality of mortar ammunition. The examinations were carried out on gunpowder samples used for laboration of mortar shells 60, 82 and 120 mm caliber and consisted of periodical measurements of the gunpowder mass loss, basic ballistic parameters, and compatibility testing of gunpowder and celluloid containers as well as chemical stability determination. The estimation of the gunpowder quality was performed by comparative analysis and the suggestions for more efficient production of it were given.
Highlights
The study describes the results of static, physicochemical and ballistic examination of double-based gunpowder charges, in order to establish the deviations from the demanded quality of mortar ammunition
Static examination Under the assumption that the loss of the gunpowder mass occurs due to the migration processes of nitroglycerine into celluloid containers, cardboard packaging and the free space inside of it, it is planned to follow the mass loss of gunpowder charges placed in: a) original cardboard packaging; b) hermetically closed metal boxes; c) hermetically closed polyvinyl packaging; d) hermetically closed metal boxes with free space, equal in size to original cardboard packaging
Taken from two different warehouses, the mass measurements were performed for celluloid containers, and the determination of mass loss by comparing with the gunpowder mass laborated for initial examinations
Summary
The study describes the results of static, physicochemical and ballistic examination of double-based gunpowder charges, in order to establish the deviations from the demanded quality of mortar ammunition. Taken from two different warehouses, the mass measurements were performed for celluloid containers (increment charges), and the determination of mass loss by comparing with the gunpowder mass laborated for initial examinations. The gunpowder mass loss is nitroglycerine which migrated into celluloid shells, free space of the mortar box and into cardboard packaging.
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