Nondestructive testing by differential type of rotational magnetic sensor

被引：0

作者：

Enokizono, M ^{[1
]}

Oka, M ^{[1
]}

Todaka, T ^{[1
]}

Akita, M ^{[1
]}

Chady, T ^{[1
]}

Tsuchida, Y ^{[1
]}

Sikora, R ^{[1
]}

Gratkowski, S ^{[1
]}

Sikora, J ^{[1
]}

机构：

[1] Oita Univ, Fac Engn, Oita 87011, Japan

来源：

NON-LINEAR ELECTROMAGNETIC SYSTEMS: ADVANCED TECHNIQUES AND MATHEMATICAL METHODS | 1998年 / 13卷

关键词：

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：

It is very difficult to estimate a depth, position and shape of a minor reverse side defect because a signal derived from it is very small and noisy. Therefore, we are improving an electromagnetic non-destructive testing (NDT) system such as a rotational magnetic flux sensor and a differential type of eddy current probe to estimate it. We combined two types of the magnetic sensor into a differential type of a rotational magnetic flux sensor. This new magnetic sensor can obtain some effective information for the depth, position and shape of a reverse side defect on a metallic material plate. The experimental results show the validity of this new magnetic sensor.

引用

页码：361 / 364

页数：4

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