High-temperature high-velocity impact on honeycomb sandwich panels

W. H. Xie, S. H. Meng*, L. Ding, H. Jin, S. Y. Du, G. K. Han, L. B. Wang, C. H. Xu, Fabrizio Scarpa, R. Q. Chi

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

15 Citations (Scopus)
249 Downloads (Pure)

Abstract

This work presents an investigation on the damage and high-speed impact deformation mechanisms at elevated temperatures in honeycomb sandwich panels made from PM1000 and PM2000 alloys. The impact temperatures ranged from 22 °C to 866 °C. The investigation was performed experimentally using a custom-made gas gun rig, and by using Finite Element and developing a phenomenological analytical model to predict the residual velocity and ballistic limit equations for the case in which the diameter of the projectile is close or smaller to the honeycomb cell length. The sizes of the holes have been also evaluated by carrying out numerical thermal loading simulations on honeycomb sandwich specimen models impacted at high speed. The predictions provided by the Finite Elements and the analytical model give a good agreement with the results from the experimental tests. The hole diameters for the two idealized normal impact cases, in which the projectile hits the cell core and at the triple-wall intersection of the core, were also presented as a function of the projectile diameter and velocity in this paper.

Original languageEnglish
Pages (from-to)1-11
Number of pages11
JournalComposites Part B: Engineering
Volume138
Early online date15 Jun 2017
DOIs
Publication statusPublished - 1 Apr 2018

Keywords

  • Honeycomb sandwich
  • Impact behavior
  • High-temperature
  • Failure

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  • Cite this

    Xie, W. H., Meng, S. H., Ding, L., Jin, H., Du, S. Y., Han, G. K., Wang, L. B., Xu, C. H., Scarpa, F., & Chi, R. Q. (2018). High-temperature high-velocity impact on honeycomb sandwich panels. Composites Part B: Engineering, 138, 1-11. https://doi.org/10.1016/j.compositesb.2017.06.022