Mr. Petr Hana Profile

Petr Hana

at Technical Univ of Liberec

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Proceedings Article | 7 January 2015 Paper

Mechanical properties of carbon fiber composites for applications in space

P. Hana, A. Inneman, V. Daniel, L. Sieger, M. Petru

Proc. SPIE. 9442, Optics and Measurement Conference 2014

KEYWORDS: Carbon, Data modeling, Sensors, Satellites, Ceramics, Composites, Finite element methods, Chemical elements, Statistical modeling, Mechanical sensors

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This article describes method of measurement mechanical properties of carbon fiber composites in space. New material structures are specifically designed for use on space satellites. Composite structures will be exposed to cosmic radiation in Earth orbit on board of a '2U CubeSat' satellite. Piezoelectric ceramic sensors are used for detection mechanical vibrations of composite test strip. A great deal of attention is paid to signal processing using 8-bit microcontroler. Fast Fourier Transformation is used. Fundamental harmonic frequencies and damping from on-board measurements will serve as the input data for terrestrial data processing. The other step of elaboration data is creation of the physical model for evaluating mechanical properties of Carbon composite - Piezoelectric ceramic system. Evaluation of anisotropic mechanical properties of piezoelectric ceramics is an interesting secondary outcome of the investigation. Extreme changes in temperature and the effect of cosmic rays will affect the mechanical properties and durability of the material used for the external construction of satellites. Comparative terrestrial measurements will be performed.

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