Fatigue and impact properties of metal honeycomb sandwich panel

Guang ping Zou; Jie Lu; Jun Liang; Zhong liang Chang

doi:10.1117/12.839045

24 August 2009 Fatigue and impact properties of metal honeycomb sandwich panel

Guang ping Zou, Jie Lu, Jun Liang, Zhong liang Chang

Proceedings Volume 7375, ICEM 2008: International Conference on Experimental Mechanics 2008; 737512 (2009) https://doi.org/10.1117/12.839045
Event: International Conference on Experimental Mechanics 2008 and Seventh Asian Conference on Experimental Mechanics, 2008, Nanjing, China

Abstract

Honeycomb sandwich structures are significant to be used as applied to thermal protection system on reusable launch vehicle. In this paper the fatigue and impact properties of a novel metallic thermal protection material have been investigated and predicted at room temperature. A series of strength tests are carried out to obtain parameters firstly for further experiments. A set of tension-tension stress fatigue tests and impact tests based on split-Hopkinson pressure bar are carried out. Different high strain rate impact experiments are accomplished. The curves of dynamical stress, strain and strain rate are obtained. Also the cell units images after impact are presented. The results show the fatigue properties of honeycomb sandwich panels are comparatively better. And it has the advantages of anti-impact resistance and high, energy absorption capability.

Citation Download Citation

Guang ping Zou, Jie Lu, Jun Liang, and Zhong liang Chang "Fatigue and impact properties of metal honeycomb sandwich panel", Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 737512 (24 August 2009); https://doi.org/10.1117/12.839045

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