Early Detection of the Material Degradation Based on the Integrated Analysis of Diverse Measurement Techniques

Abstract:

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The diverse techniques for condition monitoring of the test material have been applied in the material test loop (System Safety Benchmark Facility: SSBF) simulating the water condition that of the boiling water reactor. In this paper, two methods of condition monitoring are mainly described. One is a thinning process monitoring of material wall by using pulse echo methods with ultrasonic sensors. The other is early detection of a leakage by measuring and analyzing the SSBF parameter and the temperature and humidity in the protector. Although the experiment is still going on, the validity of the proposed methods of condition monitoring has been confirmed.

Info:

Periodical:

Key Engineering Materials (Volumes 261-263)

Edited by:

Kikuo Kishimoto, Masanori Kikuchi, Tetsuo Shoji and Masumi Saka

Pages:

1043-1048

DOI:

10.4028/www.scientific.net/KEM.261-263.1043

Citation:

T. Kimura et al., "Early Detection of the Material Degradation Based on the Integrated Analysis of Diverse Measurement Techniques", Key Engineering Materials, Vols. 261-263, pp. 1043-1048, 2004

Online since:

April 2004

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Price:

$35.00

[1] F.P. Ford, Quantitative Prediction of Environmentally Assisted Cracking in Boiling Water Reactors, Proceeding of APCFS & ATEM ’01, The Japan Society Mechanical Engineers No. 01-203(2001)p.27-p.39.

[2] http: /www. chuden. co. jp/press/data/pre2002/pre0424_04. html.

[3] Ultrasonic Thickness Measurement, The Japanese Society for Non-Destructive Inspection, (in Japanese) (1989).

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