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

页码：410 / 413

页数：4

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