High velocity impact testing for evaluation of intermetallic projectiles

Colton B. Cagle, Kevin J. Hill, Connor Woodruff, Michelle L. Pantoya, Joseph Abraham, Casey Meakin

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Experiments were performed to study penetration through multiple aluminum plates followed by impact into an inert steel anvil using a High-velocity Impact-ignition Testing System (HITS). The projectiles are intermetallic pellets launched from a propellant driven gun into a catch chamber equipped with view ports and imaging diagnostics. Penetration, impact and reaction are monitored using high-speed cameras that provide local and macroscopic perspectives of projectile and target interaction as well as overall reactivity. Results demonstrate the range of visual data that can be captured by a non-gas generating intermetallic projectile that fragments and reacts upon penetration and impact. Results show that higher velocity projectiles (~ 1300 and 800 m/s) produce smaller fragments upon target penetration that result in flame spreading through the chamber upon impact while lower velocity projectiles (~ 500 m/s) negligibly fragment upon target penetration and produce no flames even upon anvil impact.

Original languageEnglish
Title of host publication2019 15th Hypervelocity Impact Symposium, HVIS 2019
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791883556
DOIs
StatePublished - 2021
Event2019 15th Hypervelocity Impact Symposium, HVIS 2019 - Destin, United States
Duration: Apr 14 2019Apr 19 2019

Publication series

Name2019 15th Hypervelocity Impact Symposium, HVIS 2019

Conference

Conference2019 15th Hypervelocity Impact Symposium, HVIS 2019
CountryUnited States
CityDestin
Period04/14/1904/19/19

Keywords

  • Flame spread
  • Fragmentation
  • Impact ignition
  • Intermetallic projectile
  • Penetration

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