FIELD: weapons and ammunition.
SUBSTANCE: armour-piercing bullet slug is made from hard alloy in the form of rotation body consisting of head and tail parts. Hard alloy has ultimate compression strength of more than 4000 MPa, HRA hardness of not less than 88.5 units, stress intensity factor K1C of not less than 8 MPa*m1/2. Head part has ogival shape in the form of cone. Tail part has the shape of cylinder or flattened cone, which are connected to each other. Smaller diameter of flattened cone is 0.80-0.98 of larger diameter of cone of tail portion. Larger diameter of cone of tail portion is equal to diameter of cylinder and to diameter of head portion of slug. Length of cylindrical part is 0.01-100 of the length of flattened cone of tail portion. Surface of slug has roughness, fully or partially, which is not more than Ra 0.8. Cone of slug head portion is pointed without rounding of point with apex angle of 10° to 38°.
EFFECT: avoiding destruction of tail portion of slug.
1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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