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Application of the X-Ray CT Technique for NDE of Wood in Field

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Abstract:

NDE (Nondestructive Evaluation) of wood was performed using X-ray CT technique in order to determine the applicability of this technology to ancient wooden buildings in the field. Two main objectives were studied to consider applicability as well as accuracy. First, the most suitable number of radiographs for reconstructing proper X-ray CT images was determined. Secondly, X-ray CT images using SIRT were reconstructed using various numbers of radiographs in order to consider the possible effects of absent projection data in field applications. As a result of this study, 9 radiographs were determined to be the most suitable number for this application. Brown-rotted part in wood was also detected by X-ray CT images using 9 radiographs. It was concluded that even there exists some absent projection data, CT images can be reconstructed with high accuracy.

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Periodical:

Key Engineering Materials (Volumes 321-323)

Pages:

1172-1176

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.321-323.1172

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Online since:

October 2006

Authors:

Sang Joon Lee, Kwang Mo Kim, Jun Jae Lee

Keywords:

Brown-Rot Fungi, NDE (Nondestructive Evaluation), X-Ray CT (Computed Tomography), X-Ray Radiography

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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References

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[2] V. Bucur: Nondestructive Characteristics and Imaging of Wood (Springer, Germany 2003).

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[3] K.M. Kim, S.J. Lee and J.J. Lee: J. of Korean Wood Science and Technology. In press.

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[4] K.M. Kim and J.J. Lee: J. of the Korean Wood Science and Technology 33(5) (2005), pp.29-37.

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