The article deals with the quantification of frangibility of the frangible bullets, which has high practical significance in evaluating the capability of a bullet to fragment upon impact on the target or obstacle and which allows comparison between the different types of the frangible bullets. In this article new original evaluation method of frangibility of frangible pistol bullets when hitting to the defined target is presented.
The article deals with the pressing process of the samples from bismuth powder, which were used in place of the bullet in order to optimize the frangible bullets manufacturing process. Cylindrical samples with a diameter of 9 mm were compacted by cold pressing in a cylindrical rigid die without sintering. Various pressing conditions (the changing of pressing force, pressing velocity and dwell time) were applied for compacting the samples. After compaction, the axial strength of the samples was tested to determine the optimal manufacturing process of the frangible bullet based on the bismuth powders.
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