Abstract
High-speed X-ray imaging is synchronized with dynamic loading systems to provide real-time dynamic behavior and fracture mechanisms in a variety of materials. X-ray imaging provides a unique advantage for investigating subsurface fracture mechanisms in opaque materials. The basic principles of high-speed X-ray phase-contrast imaging are described. Various modifications are required to properly synchronize the dynamic loading apparatus with the X-ray imaging setup. These modifications and synchronization schemes between the loading and imaging setups are presented. Representative results from two material systems: granular particles and polymer-bonded explosives are presented. Some recommendations for future upgrades in the apparatus and analysis methods are described.
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