Application of Pulsed Eddy Current in Plate Thickness Evaluation

被引：0
|
作者：
Chen, Dengfeng [1 ]
Ji, Qichun [1 ]
Zhang, Hongcai [1 ]
Zhao, Liang [2 ]
机构：
[1] Northwestern Polytech Univ, Coll Automat Control, Xian, Peoples R China
[2] Xian Univ Architecture & Technol, Informat & Control Engn Sch, Xian, Peoples R China
来源：
ICIEA: 2009 4TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, VOLS 1-6 | 2009年
关键词：
pulsed eddy current; thickness evaluation; nondestructive test; Lift-off;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Pulsed eddy current (PEC) is a new nondestructive testing (NDT) technique using a broadband pulse excitation with rich frequency information and has wide application potentials. Pulsed eddy current (PEC) signals are investigated as tools for the evaluation of plate thickness by using the reflection type PEC probe, which consists of an exciter coil and one sensor coil. Analysis of PEC signals shows that the area difference of the induction voltage curve closely correlation to the plate thickness and interval between the probe and the plate (Lift-off). Experiments accord with the numerical simulations well. The evaluation error is less than 5%. And it is effective in remove liftoff noise in reflection PEC signals.
引用
收藏
页码：3277 / +
页数：2
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