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Computational Investigation of High Velocity Penetration of Copper Subjected to Impact From Nickel Projectiles

[+] Author Affiliations
Yucheng Liu, Yangqing Dou, Youssef Hammi

Mississippi State University, Mississippi State, MS

Paper No. IMECE2015-50241, pp. V009T12A003; 5 pages
doi:10.1115/IMECE2015-50241
From:
  • ASME 2015 International Mechanical Engineering Congress and Exposition
  • Volume 9: Mechanics of Solids, Structures and Fluids
  • Houston, Texas, USA, November 13–19, 2015
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5752-6
  • Copyright © 2015 by ASME

abstract

A computational simulation of penetration between nickel projectile and copper plate with high velocity in macro scale has been built. It is the first time a comprehensive investigation of penetration between these two materials. A threshold velocity between a nickel projectile and a copper plate is determined by mathematical equation in this paper. ABAQUS/Explicit is used to verify this threshold velocity by setting different velocities under the same condition and displaying visual animation of penetration results. John-cook model has been chosen to represent two material plastic behaviors. The shapes of penetrator and target are shown in order to expose penetration procedure and phenomena. Stress patterns and perforation features are adopted to make a good understanding of Ni-Cu penetration mechanism from computational study.

Copyright © 2015 by ASME
Topics: Copper , Nickel , Projectiles

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