Numerical simulation study on penetration of a 12.7 mm kinetic energy bullet into a composite armor

WANG Weizhan; ZHAO Taiyong; FENG Shunshan; YANG Baoliang; LI Xiaojun; CHEN Zhigang

doi:10.11883/bzycj-2018-0425

Volume 39 Issue 12

Dec. 2019

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WANG Weizhan, ZHAO Taiyong, FENG Shunshan, YANG Baoliang, LI Xiaojun, CHEN Zhigang. Numerical simulation study on penetration of a 12.7 mm kinetic energy bullet into a composite armor[J]. Explosion And Shock Waves, 2019, 39(12): 123301. doi: 10.11883/bzycj-2018-0425

Citation:

WANG Weizhan, ZHAO Taiyong, FENG Shunshan, YANG Baoliang, LI Xiaojun, CHEN Zhigang. Numerical simulation study on penetration of a 12.7 mm kinetic energy bullet into a composite armor[J]. Explosion And Shock Waves, 2019, 39(12): 123301. doi: 10.11883/bzycj-2018-0425

Citation:

WANG Weizhan, ZHAO Taiyong, FENG Shunshan, YANG Baoliang, LI Xiaojun, CHEN Zhigang. Numerical simulation study on penetration of a 12.7 mm kinetic energy bullet into a composite armor[J]. Explosion And Shock Waves, 2019, 39(12): 123301. doi: 10.11883/bzycj-2018-0425

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Numerical simulation study on penetration of a 12.7 mm kinetic energy bullet into a composite armor

doi: 10.11883/bzycj-2018-0425

1.
College of Mechatronic Engineering, North University of China, Taiyuan 030051, Shanxi, China
2.
National Defense Key Discipline Laboratory of Underground Target Damage Technology, North University of China, Taiyuan 030051, Shanxi, China
3.
School of Mechanical and Electrical Engineering, Beijing Institute of Technology, Beijing 100081, China
4.
Xi’an Institute of Modern Control Technology, Xi’an 710065, Shaanxi, China
5.
Institute of Defense Research, Academy of Military Science, Beijing 102205, China

Received Date: 2018-10-29
Rev Recd Date: 2019-03-12
Publish Date: 2019-12-01

Abstract

Abstract

Ballistic limit tests were carried out by using a ballistic gun system for the ceramic composite armors obliquely placed with the angles of 0° − 60°. The influences of the oblique angles were analyzed on the ballistic limits, steel core mass change and damage forms of armor-piercing bullets. The numerical simulations were performed to verify the above experimental results. Based on the fact that the calculated results were in agreement with the experimental ones, the influences of the oblique angles were further explored on the deflection angles of the bullet steel cores penetrating through the target plates, and the thicknesses of the equivalent Q235 steel target plates. Results show that with increasing the oblique angles of the ceramic composite targets: (1) the ballistic limit obeys an exponential increase law; (2) at the same ballistic limit, the ratio of the limit penetration depth of the Q235 steel target plate by the armor-piercing bullet to the equivalent thickness of the limit penetration depth of the obliquely-placed ceramic composite target by the armor-piercing bullet increases; (3) the integrity of the bullet steel core decreases gradually, its deflection angle increases reversely.
- oblique,
- ballistic limit,
- damage,
- penetration

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References(21)

References

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