Abstract
This paper presents an analytical model for studying the material failure in shear hinges formed during the dynamic plastic response of a circular plate under projectile impact. Analytic solutions for the ballistic perforation performance of a fully clamped circular plate struck by a blunt projectile are obtained. It takes into account both the global response (plate bending) and the localized shear. Based on the estimations of the shear strain and the size of shear hinge, condition for the initiation of an adiabatic shear band is formulated. The effectiveness of the present model is demonstrated by reasonable agreement between the theoretical predictions and the available experimental data for the perforation of Weldox 460E steel plates.
| Original language | English |
|---|---|
| Pages (from-to) | 877-893 |
| Number of pages | 17 |
| Journal | International Journal of Impact Engineering |
| Volume | 31 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - Aug 2005 |
| Externally published | Yes |
Keywords
- Adiabatic shear failure
- Blunt projectile
- Ductile plate
- Perforation
- Shear failure
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