High frame-rate real-time x-ray imaging of in situ high-velocity rifle bullets

Lawrence J. D'Aries; Stuart R. Miller; Rob Robertson; Bipin Singh; Vivek V. Nagarkar

doi:10.1117/12.2220783

12 May 2016 High frame-rate real-time x-ray imaging of in situ high-velocity rifle bullets

Lawrence J. D'Aries, Stuart R. Miller, Rob Robertson, Bipin Singh, Vivek V. Nagarkar

Proceedings Volume 9847, Anomaly Detection and Imaging with X-Rays (ADIX); 98470G (2016) https://doi.org/10.1117/12.2220783
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

Abstract

High frame-rate imaging is a valuable tool for non-destructive evaluation (NDE) as well as for ballistic impact studies (terminal ballistics), in-flight projectile imaging, studies of exploding ordnance and characterization of other high-speed phenomena. Current imaging systems exist for these studies, however, none have the ability to do in-barrel characterization (in-bore ballistics) to image kinetics of the moving projectile BEFORE it exits the barrel.

The system uses an intensified high-speed CMOS camera coupled to a specially designed scintillator to serve as the X-ray detector. The X-ray source is a sequentially fired portable pulsed unit synchronized with the detector integration window and is able to acquire 3,600 frames per second (fps) with mega-pixel spatial resolution and up to 500,000 fps with reduced pixel resolution. This paper will discuss our results imaging .30 caliber bullets traveling at ~1,000 m/s while still in the barrel. Information on bullet deformation, pitch, yaw and integrity are the main goals of this experimentation. Planned future upgrades for imaging large caliber projectiles will also be discussed.

Citation Download Citation

Lawrence J. D'Aries, Stuart R. Miller, Rob Robertson, Bipin Singh, and Vivek V. Nagarkar "High frame-rate real-time x-ray imaging of in situ high-velocity rifle bullets", Proc. SPIE 9847, Anomaly Detection and Imaging with X-Rays (ADIX), 98470G (12 May 2016); https://doi.org/10.1117/12.2220783

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