Multi-frequency exciting and spectrogram-based ECT method

被引：24
|
作者：
Chady, T
Enokizono, M
机构：
[1] Oita Ind Res Inst, Mech & Elect Div, Oita 87011, Japan
[2] Oita Univ, Fac Engn, Oita 8701192, Japan
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2000年 / 215卷
关键词：
nondestructive testing; eddy-current methods; eddy-current sensors;
D O I：
10.1016/S0304-8853(00)00263-8
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The purpose of this paper is to experimentally demonstrate advantages of a multi-frequency ECT system. In this system, a precise crack imaging was achieved by using spectrograms obtained from an eddy-current probe multifrequency response. A complex signal containing selected sinusoidal components was used as an excitation, The results of measurements for various test specimens are presented. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：700 / 703
页数：4
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