The state-of-the-art Hypervelocity Impact Shield Lab for Infrastructure Protection is aimed at enabling unique high-rate materials characterization and multiscale numerical model development and implementation. A state-of-the-art two-stage light gas gun (2SLGG), capable of launching 2-10 mm diameter projectiles at velocities in the range of 2-8 km/s (4400-18,000 miles/hour), is the focal point of this lab. It will provide a test bed for the development and tailoring of novel layered structures comprised of polymers, composites, metals, ceramics, soft materials, gels and geomaterials to mitigate hypervelocity impacts.
- Tailoring of high strain rate materials of extreme environments.
- Conduct state-of-the-art experiments necessary to characterize ultra-high rate materials behavior.
- Quantification of the dynamic high velocity impact response of different materials over a broad range of impact velocities and target geometries.
- Characterization and quantification of damage due to hypervelocity impact as a function of target material, target geometry, and impact velocity.
- Develop and validate computationally-efficient, physics-based, multiscale materials models for predicting damage and failure.
- Two-stage Light Gas Gun
- Pump Tube: 8’ long and 1.75” diameter
- Flight Tube: 12’ long and 0.5” diameter
- Target Tank: 6’ long and 46” diameter
- Velocity range: 2-8 km/s
- High and low temperature testing capability
- Ultra-high-speed cameras (10 Mfps)
- Flash X-rays (300 kV)
- Photonic Doppler velocimeter (PDV)
- Digital image correlation system
- High-speed thermal cameras
Dr. Thomas E. Lacy Jr.
Professor, Mechanical Engineering