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Proceedings Paper

Dynamic response of aluminum honeycombs to in-plane impact loadings
Author(s): Koichi Tanaka; Masahiro Nishida; Toshiharu Mochida; Akiko Kousaka
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Paper Abstract

Deformation processes of aluminum honeycombs with hexagonal cells subjected to the in-plane impact of a rigid impactor are investigated experimentally and numerically in relation to the dynamical behavior of cellular materials and complex materials under high-speed loadings. Strain waves are measured using strain gauges glued on the cell walls and reaction forces are measured using a load cell at the contact surface between the honeycomb and a fixed wall. A high-speed camera is used to visualize the deformation process. Numerical simulations are partly made for the same configuration as the experiment. Very distinctive deformation mechanisms of individual cells and propagation mechanisms of strain waves in the honeycomb are found out. Also, characteristic two-dimensional behavior is revealed in spite of one-dimensional and uni-directional impact loading.

Paper Details

Date Published: 17 April 2001
PDF: 8 pages
Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); doi: 10.1117/12.424260
Show Author Affiliations
Koichi Tanaka, Nagoya Institute of Technology (Japan)
Masahiro Nishida, Nagoya Institute of Technology (Japan)
Toshiharu Mochida, Nagoya Institute of Technology (Japan)
Akiko Kousaka, Nagoya Institute of Technology (Japan)

Published in SPIE Proceedings Vol. 4183:
24th International Congress on High-Speed Photography and Photonics
Kazuyoshi Takayama; Tsutomo Saito; Harald Kleine; Eugene V. Timofeev, Editor(s)

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