A new eddy current probe using uniform rotating eddy currents

被引：1

作者：

Hoshikawa, H ^{[1
]}

Koyama, K ^{[1
]}

机构：

[1] Nihon Univ, Coll Ind Technol, Narashino, Chiba 275, Japan

来源：

MATERIALS EVALUATION | 1998年 / 56卷 / 01期

关键词：

eddy current testing; electromagnetic testing; nondestructive testing probe; uniform rotating eddy current; self-differential; lift-off noise-free; self-nulling;

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A new eddy current probe has been devised using uniform rotating eddy currents and a pancake pick-up coil. The self-differential feature makes the probe self-nulling and free of lift-off noise. The self-differential feature of the probe also minimizes effects from variations in electromagnetic characteristics and configurations of test materials. Another feature of the probe is that it generates different anomaly signal patterns depending on the anomaly direction. The newly developed probe is a reliable one with less noise and more information on anomalies than conventional probes.

引用

页码：85 / 89

页数：5

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