Paper Title:
A Study on the Vibration Characteristics of Symmetry and Asymmetry Laminated Composite Materials by Using ESPI
  Abstract

The ESPI (Electronic Speckle Pattern Interferometry) is a real-time, full-field, non-destructive optical measurement technique. In this study, ESPI was proposed for the purpose of vibration analysis for new and composite materials. Composite materials have various complicated characteristics according to the materials, orientations, stacking sequences of the ply and boundary conditions. Therefore, it was difficult to analyze composite materials. For efficient use of composite materials in engineering applications the dynamic behavior (i.e., natural frequencies and nodal patterns) should be informed. With the use of Time-Average ESPI, one could analyze vibration characteristics of composite material by real time easily. We manufactured two kinds of laminated composites (i.e., symmetry and asymmetry) which were consisted of CFRP (Carbon Fiber Reinforced Plastics) and the shape of the test piece was of rectangular form.

  Info
Periodical
Key Engineering Materials (Volumes 353-358)
Edited by
Yu Zhou, Shan-Tung Tu and Xishan Xie
Pages
2366-2370
DOI
10.4028/www.scientific.net/KEM.353-358.2366
Citation
K. M. Hong, Y. J. Kang, N. K. Park, W. J. Ryu, "A Study on the Vibration Characteristics of Symmetry and Asymmetry Laminated Composite Materials by Using ESPI", Key Engineering Materials, Vols. 353-358, pp. 2366-2370, 2007
Online since
September 2007
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Price
$32.00
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