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Anti-Penetration Performance of Composite Structures with Metal-Packaged Ceramic Interlayer and UHMWPE Laminate
Xin Sun1,2, Longhui Zhang1,2, Qitian Sun1,2
1State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China.
Materials (Basel, Switzerland)
|March 29, 2023
Summary
This study shows a new composite armor with metal-packaged ceramic and ultra-high molecular weight polyethylene (UHMWPE) laminate offers 50% better anti-penetration than traditional armor. This advanced armor design enhances projectile resistance and reduces damage.
Area of Science:
- Materials Science
- Mechanical Engineering
- Ballistics
Background:
- Traditional ceramic/metal armor structures face limitations in anti-penetration performance.
- Optimizing composite structures is crucial for enhanced ballistic protection.
Purpose of the Study:
- To investigate the impact response and anti-penetration capabilities of a novel composite structure.
- To evaluate the effectiveness of a metal-packaged ceramic interlayer and UHMWPE laminate.
Main Methods:
- Ballistic testing of the composite structure.
- Numerical simulations to analyze impact dynamics.
- Comparative analysis with traditional ceramic/metal structures.
Main Results:
- The composite structure demonstrated a 50% increase in anti-penetration performance compared to traditional designs.
- The metal-packaged ceramic interlayer effectively limited ceramic crushing and contained fragments.
- UHMWPE laminate absorbed significant impact energy through large deformation.
- Impact position variation showed less than 10% effect on performance.
Conclusions:
- The combination of metal-packaged ceramic and UHMWPE laminate offers superior ballistic protection.
- The structure mitigates projectile erosion and limits after-effect damage through fragment containment and trajectory deflection.
- This design represents a significant advancement in lightweight armor technology.
