Study on alternating flux leakage testing using 3-D non-linear FEM with eddy current

被引：0
|
作者：
Gotoh, Y [1 ]
Takahashi, N [1 ]
机构：
[1] Okayama Polytech Coll, Dept Elect Engn, Kurashiki, Okayama 7100251, Japan
来源：
PROCEEDINGS OF THE FOURTH INTERNATIONAL CONFERENCE ON ELECTROMAGNETIC FIELD PROBLEMS AND APPLICATIONS | 2000年
关键词：
alternating flux leakage testing method; 3-D finite element method; non-destructive inspection;
D O I：
暂无
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：
The alternating magnetic flux leakage testing has being applied in the inspection process for detecting cracks on the surface of steel. In order to develop a precise inspection method, the flux and eddy current distribution should be investigated taking account of nonlinearly of steel. The paper describes 3-D numerical analysis and experiment for this testing. The property of leakage flux from the crack of steel under ac excitation is investigated using 3-D edge-based hexahedral finite element method. The characteristic of leakage flux is confirmed by verification experiment.
引用
收藏
页码：410 / 413
页数：4
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