Paper Title:
Wavelet Analysis of Elastic Wave for Wall Thinned Inconel 690 Tube
  Abstract

The bending moment test used by the specimens with partial and circumferential wall thinning was carried out to obtain the AE signal. The time-frequency analysis method for the investigation of the frequency characteristics of the AE signal was applied. The results of the wavelet analysis were compared with those of the bending moment test for the structural integrity of tube. The result of the frequency characteristics by applying wavelet analysis method and dropping ball test was presented similarly to those of bending moment test. It is considered that this simple method with combination of dropping ball test and wavelet analysis is very useful scheme for investigating the structural integrity.

  Info
Periodical
Key Engineering Materials (Volumes 353-358)
Edited by
Yu Zhou, Shan-Tung Tu and Xishan Xie
Pages
2281-2284
DOI
10.4028/www.scientific.net/KEM.353-358.2281
Citation
S. H. Ahn, K.Y. Seong, J. W. Kim, K. W. Nam, "Wavelet Analysis of Elastic Wave for Wall Thinned Inconel 690 Tube ", Key Engineering Materials, Vols. 353-358, pp. 2281-2284, 2007
Online since
September 2007
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Price
$32.00
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