Impact-induced collapse of aluminum honeycombs with cell defects

Koichi Tanaka; Masahiro Nishida; Souhei Takamiya

doi:10.1117/12.567040

17 March 2005 Impact-induced collapse of aluminum honeycombs with cell defects

Koichi Tanaka, Masahiro Nishida, Souhei Takamiya

Proceedings Volume 5580, 26th International Congress on High-Speed Photography and Photonics; (2005) https://doi.org/10.1117/12.567040
Event: 26th International Congress on High-Speed Photography and Photonics, 2004, Alexandria, Virginia, United States

Abstract

Dynamical deformation and collapse process and stress wave mechanism of an aluminum honeycomb with a defective cell subjected to the in-plane impact of a rigid impactor were investigated experimentally. Deformation process was visualized using a high-speed video camera and a CCD camera and wave propagation mechanisms were investigated using a force gauge at the fixed end and strain-gauges glued on the cell walls. Also, numerical simulation was made using a shock code, AUTODYN-2D. The defect introduced in cells greatly affects wave propagation mechanisms and cell deformation process. The present results were compared with our previous results.

Citation Download Citation

Koichi Tanaka, Masahiro Nishida, and Souhei Takamiya "Impact-induced collapse of aluminum honeycombs with cell defects", Proc. SPIE 5580, 26th International Congress on High-Speed Photography and Photonics, (17 March 2005); https://doi.org/10.1117/12.567040

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