Ballistic characteristics of a 9 mm pistol bullet penetrating medium density fiberboard

LIU Zide; WANG Guanghua; DONG Fangdong; CUI Bin

doi:10.11883/bzycj-2020-0148

Volume 41 Issue 5

May 2021

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LIU Zide, WANG Guanghua, DONG Fangdong, CUI Bin. Ballistic characteristics of a 9 mm pistol bullet penetrating medium density fiberboard[J]. Explosion And Shock Waves, 2021, 41(5): 053304. doi: 10.11883/bzycj-2020-0148

Citation:

LIU Zide, WANG Guanghua, DONG Fangdong, CUI Bin. Ballistic characteristics of a 9 mm pistol bullet penetrating medium density fiberboard[J]. Explosion And Shock Waves, 2021, 41(5): 053304. doi: 10.11883/bzycj-2020-0148

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Ballistic characteristics of a 9 mm pistol bullet penetrating medium density fiberboard

doi: 10.11883/bzycj-2020-0148

1.
Science and Technology on Transient Impact Laboratory, No.208 Institute of China Ordnance Industries, Beijing 102202, China
2.
Physical Evidence Evaluation Center of the Ministry of Public Security, Beijing 100038, China

Received Date: 2020-05-14
Rev Recd Date: 2020-06-11

Available Online: 2021-04-23

Publish Date: 2021-05-05

Abstract

Abstract

In order to explore the ballistic characteristics of a 9 mm pistol bullet penetrating wooden target board, a ballistic penetration experiment was carried out by choosing medium density fiberboard (MDF) as the research object. Key information such as the residual velocity and depth of penetration to the bullet at different velocities and impact angles was obtained by reducing the charge and adjusting the angle adjustable target frame. The experiment results were analyzed by the Poncelet resistance model, and the relationship between depth of penetration and penetration velocity was obtained. The numerical calculation model of the pistol bullet penetrating the MDF was established. The model studied the deflection behavior of bullet with different velocity and different impact angles, and the functional relationship between the critical ricochet angle and the target velocity was obtained. The results show that when the bullet penetrates the MDF with the thickness of 25 mm, the energy loss is linearly related to the incident velocity; when the bullet penetrates the MDF, it will deflect in the negative direction, and the reduction of the bullet velocity or the reduction of the impact angle will increase the deflection angle in the negative direction. When the bullet penetrates the MDF at a low velocity or the impact angle is less than 45°, the bullet shows a large deflection angle. When the bullet shoots out of the MDF, the trajectory turns positive.
- medium density fiberboard,
- pistol bullet,
- ballistic characteristic,
- penetrate,
- deflect

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References(17)

References

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