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Acta Mechanica Solida Sinica

, Volume 28, Issue 6, pp 735–746 | Cite as

Experimental and Numerical Studies of the Anti-Penetration Performance of Sandwich Panels with Aluminum Foam Cores

  • Fei Yang
  • Weijing Niu
  • Lin Jing
  • Zhihua Wang
  • Longmao Zhao
  • Hongwei Ma
Article

Abstract

Effects of face-sheet thickness and core thickness of sandwich panels, and shape of projectiles on the penetration resistance of sandwich panels were discussed, while typical penetration failure modes were presented. It was shown that the anti-penetration performance of sandwich panels was enhanced with the increase of face-sheet or core thickness; The penetration resistance of sandwich panels was shown to be strongest to blunt-shaped projectile impacts, weaker to hemispherical-nose-shaped projectile impacts, and weakest to conical-shaped projectile impacts. The corresponding numerical simulation was carried out using the finite element code LS-DYNA V970. Numerical results showed that the penetration time decreased with the increase of projectile impact velocity.

Key Words

sandwich panel aluminum foam anti-penetration performance 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2015

Authors and Affiliations

  • Fei Yang
    • 1
    • 2
  • Weijing Niu
    • 2
  • Lin Jing
    • 3
  • Zhihua Wang
    • 2
  • Longmao Zhao
    • 2
  • Hongwei Ma
    • 4
  1. 1.School of Civil and Transportation EngineeringGuangdong University of TechnologyGuangzhouChina
  2. 2.Institute of Applied Mechanics and Biomedical EngineeringTaiyuan University of TechnologyTaiyuanChina
  3. 3.State Key Laboratory of Traction PowerSouthwest Jiaotong UniversityChengduChina
  4. 4.School of Civil EngineeringQinghai UniversityXiningChina

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