Decision Method of Optimal X-Ray Digital Imaging Parameters

Abstract:

X-ray Digital imaging is an innovative method of metal fusion welding quality evaluation. To improve the accuracy, the digital imaging sensitivity must be increased by studying the optimal radioactive parameters. At first, the basic elements, inherent characteristics and imaging principle have been analysed systematically. Secondly, the optimization method of sampling rate, stacking frames, focal length, cube voltage and current have been studied based on the phisical characteristic of FPD( Flat Panel Detector). At last, the method has been verified upon two platforms. The experimental results from different systems proved correctness and applicability.

• Periodical: Applied Mechanics and Materials (Volumes 511-512)
• Pages: 536-540
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.511-512.536
• Online since: February 2014
• Authors: Liang Tao*, Yu Jie Tong, Hang Zhao
• Keywords: Parameter Optimization, Radiographic Imaging, Welding Quality, X-Ray

References

[1] S. R. Xiao, X-ray multi-parameter exposure factor empirical formula, Nondestructive testing, 30(11), 2008, 858-859.

[2] X. Z. Zeng, Technical line of X-ray ditital imaging detection, NDT, 33(5), 2009, 33-37.

[3] P. Pan, S. Petronio and J. Schlesselmann, A high performance 1024 × 1024 digital x-ray panel with integrated readout electronics for nondestructive testing and medical imaging applications, Nuclear science symposium conference record, Honolulu, Oct26- Nov3, (2007).

DOI: 10.1109/nssmic.2007.4436957

[4] A. Sultana, M. Wronski and K. Karim, Digital X-ray imaging using avalanche a-Se photoconductor, Sensors journal, 10(2), 2010, 347-352.

DOI: 10.1109/jsen.2009.2034386

[5] P. Sevcik, Data communication and transfer system between X-ray intensity digital imaging system and PC, Applied electronics, Pilsen, Sep 9-10, (2009).

[6] EN 13068-2001, Non-destructive testing- radioscopic testing.

[7] EN 12062-1997, Non-destructive examination of welds - general rules for metallic materials.

[8] GB/T 12605-2008, Non-destructive testing － Test methods for radiographic testing of circumferential fusion-welded butt joints in metallic pipes and tubes.

DOI: 10.3403/30308072

[9] Y. S. Xiao, Z. Q. Chen and L. Zhang, Experiment research on high energy X-ray radiography based on digital flat-panel detector, Optical technique, 29(6), 2003, 660-663.

[10] R. L. Ning, B. Chen and R.F. Yu, Flat panel detector-based cone-beam volume CT angiography imaging: system evaluation, Medical Imaging, 19(9), 2000, 949-963.

DOI: 10.1109/42.887842

[11] G. Rizzo, G. M. Cattaneo and I. Castiglioni, Integration of CT/PET images for the optimization of radiotherapy planning, Engineering in medicine and biology society, Istanbul, Oct 25-28, (2001).

[12] JB/T 4730-2005, Non-destructive testing of pressure equipments.