Oblique penetration on CFRPs by steel sphere

XIE Wenbo; ZHANG Wei; JIANG Xiongwen

doi:10.11883/bzycj-2016-0289

Volume 38 Issue 3

Feb. 2018

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XIE Wenbo, ZHANG Wei, JIANG Xiongwen. Oblique penetration on CFRPs by steel sphere[J]. Explosion And Shock Waves, 2018, 38(3): 647-653. doi: 10.11883/bzycj-2016-0289

Citation:

XIE Wenbo, ZHANG Wei, JIANG Xiongwen. Oblique penetration on CFRPs by steel sphere[J]. Explosion And Shock Waves, 2018, 38(3): 647-653. doi: 10.11883/bzycj-2016-0289

XIE Wenbo, ZHANG Wei, JIANG Xiongwen. Oblique penetration on CFRPs by steel sphere[J]. Explosion And Shock Waves, 2018, 38(3): 647-653. doi: 10.11883/bzycj-2016-0289

Citation:

XIE Wenbo, ZHANG Wei, JIANG Xiongwen. Oblique penetration on CFRPs by steel sphere[J]. Explosion And Shock Waves, 2018, 38(3): 647-653. doi: 10.11883/bzycj-2016-0289

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Oblique penetration on CFRPs by steel sphere

doi: 10.11883/bzycj-2016-0289

Hypervelocity Impact Research Center, Harbin Institute of Technology, Harbin 150001, Heilongjiang, China

Received Date: 2016-09-21
Rev Recd Date: 2017-03-13
Publish Date: 2018-05-25

Abstract

Abstract

In this study we performed a series of penetration tests on specimens of carbon fiber reinforced plastics (CFRPs) using a one-stage gas gun at impact angles of 0°, 30° and 45° at speeds ranging from 70 to 280 m/s to investigate their ballistic resistance behavior in oblique penetration. High speed photography was employed to measure the projectile velocity and ballistic trajectory, and analyzed the influence of the impact angle on their energy absorption, ballistic limit and projectile obliquity variations. The results show that the energy absorption coefficient of the normal impact outperformed the oblique impact at lower impact-energies whereas at the higher impact-energies the ballistic performance was observed to be approximately just the opposite. In addition, due to the increase of the penetration length through the laminate with the impact angle, the ballistic limit increases with the impact angle; the influence of the impact angle on the projectile obliquity varies generally with the impact velocity.
- oblique penetration,
- carbon fiber reinforced plastics,
- ballistic limit,
- energy absorption,
- projectile obliquity variation

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References(12)

References

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