The Use of Laser-Doppler Vibrometry for Modal Analysis of Carbon-Fiber Reinforced Composite

Abstract:

Both modal analysis procedure and the results obtained on a three-component 3D-printed carbon-fiber reinforced composite (CFRC) are presented. Experimental modal analysis of on the composite has been carried out to obtain the dynamic behavior characteristics. As revealed, the different eigen-oscillations waveforms possess different sensitivity of its amplitude frequency response to structural defects of the composite. For the similar waveforms we observed the differences in eigen-oscuillation frequencies, vibration velocities and damping factors which can be caused by the presence of numerous defects homogeneously distributed in one of the samples.

• Periodical: Key Engineering Materials (Volume 712)
• Pages: 313-318
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.712.313
• Online since: September 2016
• Authors: Andrey V. Filippov, Vladimir A. Krasnoveikin*, Nikolay V. Druzhinin, Valery E. Rubtsov
• Keywords: 3D-Printing, Carbon Fiber Reinforcement, Polymer Composite, Vibration Characterization, Vibration Modal Analysis

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