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- Title
Study on the anti-penetration performance of two-layer explosively welded plates impacted by a spherical projectile.
- Authors
Zhou, Nan; Wang, Jin-Xiang; Yang, Rui
- Abstract
The anti-penetration performance of two-layer explosively welded steel/aluminum plates 5 mm thick impacted by a spherical steel projectile 6 mm in diameter with a velocity of 260-900 m/s is studied in this paper. The effects of the thickness distribution and the incident angle on the anti-penetration performance and damage mechanism are analyzed. At incidence angles of 0-60°, the minimum projectile velocity is needed for penetration at the steel/aluminum thickness ratio equal to 2/3. The good coherence of numerical and experimental results indicates that the finite-element method coupled with the smoothed particle hydrodynamics method can predict the anti-penetration performance of two-layer explosively welded plates well.
- Subjects
IRON &; steel plate welding; PENETRATION mechanics; THICKNESS measurement; ALUMINUM plates; FRACTURE mechanics; PROJECTILES
- Publication
Combustion, Explosion, & Shock Waves, 2013, Vol 49, Issue 3, p374
- ISSN
0010-5082
- Publication type
Article
- DOI
10.1134/S0010508213030155