Steam tube defect characterization using eddy current Z-parameters

被引：2
|
作者：
Nguyen, QH [1 ]
Philipp, LD [1 ]
Lynch, DJ [1 ]
Pardini, AF [1 ]
机构：
[1] Washington State Univ, Sch Elect Engn & Comp Sci, Richland, WA 99352 USA
来源：
RESEARCH IN NONDESTRUCTIVE EVALUATION | 1998年 / 10卷 / 04期
关键词：
D O I：
10.1080/09349849808968144
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Steam generator tubing inspections use the impedance of a differential eddy current probe inside a tube as an indication of incipient failure. An axisymmetric finite-element computer code has been developed and utilized to calculate the impedances of the differential probe. The calculated values have been validated by comparison with experimental results. A Z-parameter model for a probe inside a steam tube utilizing differential coils is described, and the response of Z-parameters for the differential probe under various changes in the steam tube configuration is investigated.
引用
收藏
页码：227 / 252
页数：26
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