Paper Title:
Mechanical Behaviour of Cellular Solids and Their Sandwich Panels under Impact Loading
  Abstract

This paper presents a experimental study of the strength enhancement under impact loading of metallic cellular materials as well as sandwich panels with cellular core. A testing method using 60mm diameter Nylon Hopkinson pressure bars is used to investigate the rate sensitivity of various metallic cellular materials as honeycombs, foams. Finally, an inversed perforation test on sandwich panels with an instrumented pressure bar is also presented. Such a new testing setup provides piercing force time history measurement, generally inaccessible. Testing results show a notable enhancement of piercing forces, even though the skin aluminum plates and the foam cores are nearly rate insensitive.

  Info
Periodical
Key Engineering Materials (Volumes 345-346)
Edited by
S.W. Nam, Y.W. Chang, S.B. Lee and N.J. Kim
Pages
1137-1140
DOI
10.4028/www.scientific.net/KEM.345-346.1137
Citation
H. Zhao, I. Nasri, H. J. Li, "Mechanical Behaviour of Cellular Solids and Their Sandwich Panels under Impact Loading", Key Engineering Materials, Vols. 345-346, pp. 1137-1140, 2007
Online since
August 2007
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Price
$32.00
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