Paper Title:
Terahertz Ray Nondestructive Characterizations in FRP Composites
  Abstract

Recently, terahertz ray imaging has emerged as one of the most promising new powerful nondestructive evaluation (NDE) techniques, and new application systems are under processing development for the area applications. In this study, a new time-domain spectroscopy system was utilized for detecting and evaluating layup effect and flaw in FRP composite laminates. Extensive experimental measurements in reflection mode were made to map out the T-ray images. Especially in this characterization procedure, we estimated the electromagnetic properties such as the refractive index. Estimates of properties are in good agreement with known data. Furthermore layup effect and flaw of FRP composite laminates were observed in reflection mode and limitations will be discussed in the T-ray processing.

  Info
Periodical
Advanced Materials Research (Volumes 123-125)
Edited by
Joong Hee Lee
Pages
839-842
DOI
10.4028/www.scientific.net/AMR.123-125.839
Citation
J. W. Park, K. H. Im, D. K. Hsu, C. P. Chiou, D. J. Barnard, "Terahertz Ray Nondestructive Characterizations in FRP Composites", Advanced Materials Research, Vols. 123-125, pp. 839-842, 2010
Online since
August 2010
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