On the mass loss of a projectile based on the Archard theory

Guo Lei; He Yong; Zhang Nian-song; Pang Chun-xu; Zheng Hao

doi:10.11883/1001-1455(2014)05-0622-08

Volume 34 Issue 5

Dec. 2014

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Guo Lei, He Yong, Zhang Nian-song, Pang Chun-xu, Zheng Hao. On the mass loss of a projectile based on the Archard theory[J]. Explosion And Shock Waves, 2014, 34(5): 622-629. doi: 10.11883/1001-1455(2014)05-0622-08

Citation:

Guo Lei, He Yong, Zhang Nian-song, Pang Chun-xu, Zheng Hao. On the mass loss of a projectile based on the Archard theory[J]. Explosion And Shock Waves, 2014, 34(5): 622-629. doi: 10.11883/1001-1455(2014)05-0622-08

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On the mass loss of a projectile based on the Archard theory

doi: 10.11883/1001-1455(2014)05-0622-08

Ministerial Key Laboratory of ZNDY, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China

Received Date: 2013-04-01
Rev Recd Date: 2013-12-07
Publish Date: 2014-09-25

Abstract

Abstract

Based on the Archard's theory, a mass abrasion model for the projectile was proposed by using the multi-scale method of analyzing from the microscopic plastic deformation to the macroscopic mass loss of the projectile.In combination of the dynamic spherical cavity-expansion theory of the concrete materials and the abrasion model, the receding displacement of the point on the projectile surface was obtained.Thereby, the calculation results such as the shape of the projectile, the depth of penetration, the mass loss of the projectile, and so on, are consistent with the experimental results.Results show that the mass loss of the projectile has a great influence on the time and depth of the penetration with increasing impact velocity in the penetration process.The overload encountered by the projectile during the penetration is different from that of the rigid one.Improving the yield strength of the projectile can effectively reduce its mass loss and increase its depth of penetration.
- mechanics of explosion,
- mass loss,
- Archard theory,
- projectile,
- high velocity penetration

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References(22)

References

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