Flaw detection in three-dimensional shape portion using uniform eddy current multiprobe

被引：3
|
作者：
Fukuoka, Katsuhiro [1 ]
Hashimoto, Mitsuo [2 ]
机构：
[1] Univ Shiga Prefecture, Hikone, Shiga 5228533, Japan
[2] Aomori Polytech Coll, Goshogawara, Aomori, Japan
来源：
INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS | 2012年 / 39卷 / 1-4期
关键词：
Eddy current testing (ECT); uniform eddy current probe; multiprobe; stress corrosion cracking (SCC); curved portion; estimation of crack shape;
D O I：
10.3233/JAE-2012-1476
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We designed exciting coils of uniform eddy current multiprobes with considering the shape of structures in order to obtain a uniform eddy current flow. A probe for a flat plate could obtain clear signals for an electrical discharge machining (EDM) slit of depth 0.5 mm and distinguish EDM slits arranged at 2 mm intervals. We confirmed that stress corrosion cracking (SCC) is detectable with sufficient sensitivity using the developed multiprobe. The probe for a curved portion obtained clear signals for the EDM slits on a curved surface of radius 25 mm. Moreover, we examined the technique for estimating crack shape from detection signals.
引用
收藏
页码：311 / 317
页数：7
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