MAGNEPROBE - A PORTABLE SYSTEM FOR NONDESTRUCTIVE TESTING OF FERROMAGNETIC MATERIALS

被引：11
|
作者：
PARAKKA, A
JILES, DC
机构：
[1] Ames Laboratory, Iowa State University, Ames
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1995年 / 140卷
关键词：
D O I：
10.1016/0304-8853(94)00857-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic Barkhausen effect emissions have been demonstrated to be very sensitive in the detection of surface stress patterns and microstructural changes. A portable computer controlled instrumentation system to detect and analyze Barkhausen emissions from different depths in the materials has been developed. The software for the system features a number of processing techniques, including pulse height analysis, RMS averaging and Fourier transforms for characterizing the detected signal.
引用
收藏
页码：1841 / 1842
页数：2
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