Abstract
In Japan, deteriorated water pipes are increasing more and more now. Therefore, the setting of the priority to update these pipes effectively is required. As a solution of this problem, we proposed a new sensor using the principle of SLOFEC [1] and the structure of a focusing eddy current sensor [2]. In this paper, we verify the performances of the proposed sensor by 3D-FEM analysis. The effectiveness of the proposed sensor is also verified through measurements on a prototype.
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References
1.
Yokono
Y.
,
Ryuuou
S.
and
Kanekawa
S.
, Detection of Corrosion in Piping using Eddy Current Testing with Magnetic Saturation, The Japan Society of mechanical Engneers, No. 04-1, 2004 , pp. 189 -190 .
2.
Yamaguchi
R.
,
Watanabe
Y.
,
Harada
Y.
and
Fujioka
T.
, Focusing Eddy Current Testing Probes for The Detection of Steam Generator Tube Defects, INSS Journal, No. 3, 1997 , pp. 161 -167 .