Vibrational tests and analysis on materials used in aircraft

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DOI:

https://doi.org/10.14232/analecta.2018.2.32-36

Keywords:

composites, vibrational analysis

Abstract

The current cargo capacity for aircraft is about 20% of their total weight, increasing this ratio would significantly increase the economics of aircraft logistics. This is why it’s important for material sciences to advance so that the materials used in aircraft construction become lighter while still retaining their structural integrity. In this paper we examined materials used in aircraft construction (steel, aluminum, plastics and composites) at the University of Szeged Faculty of Engineering. Using vibrational analysis we analyzed the test pieces for their natural frequency, we did this to gain insight to the range of frequencies that are least attenuated by the material the aircraft wings are made from. Using the data we gathered we wish to draw conclusions to which materials are more suited for aircraft wing construction.

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References

[1] E.D. Nobrega, et al., Vibration band gaps for elastic metamaterial rods using wave finite element method, Mech. Syst. Signal Process. (2016)
[2] Zhu, R., et al. "A chiral elastic metamaterial beam for broadband vibration suppression." Journal of Sound and Vibration 333.10 (2014): 2759-2773.
[3] Y. Xiao, J.H. Wen, X.S. Wen, Longitudinal wave band gaps in metamaterial-based elastic rods containing multi-degree-of-freedom resonators, New Journal of Physics 14 (2012) 033042.
[4] Z.Y. Liu, X.X. Zhang, Y.W. Mao, Y.Y. Zhu, Z.Y. Yang, C.T. Chan, P. Sheng, Locally resonant sonic materials, Science 289 (2000) 1734–1736.
[5] D. Mead, Wave propagation and natural modes in periodic systems: I. Mono-coupled systems, J. Sound Vib. 40 (1) (1975) 1–18

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Published

2018-12-05

How to Cite

Csikós, S., Molnár, T., Szuchy, P., Gogolák, L., Bíró, I., & Sárosi, J. (2018). Vibrational tests and analysis on materials used in aircraft. Analecta Technica Szegedinensia, 12(2), 32–36. https://doi.org/10.14232/analecta.2018.2.32-36

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