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

页码：311 / 317

页数：7