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THE TESTING OF FERROMAGNETIC METALS WITH EDDY-CURRENTS

 

作者: J. BLITZ,   S.R. OATEN,   N. T. HAJIAN,  

 

期刊: Nondestructive Testing Communications  （Taylor Available online 1986）
卷期: Volume 2, issue 5-6  

页码: 189-200

 

ISSN:0278-0895

 

年代: 1986

 

DOI:10.1080/10589758608952927

 

出版商: Taylor & Francis Group

 

关键词: Electromagnetism;eddy-currents;impedance analysis;magnetic permeability;magnetic hysteresis;standardisation.

 

数据来源: Taylor

 

摘要:

The influence of magnetic permeability in eddy-current testing is considered together with its measurement and with means of eliminating it when detecting defects in ferromagnetic metals. Uncertainties in defining magnetic permeability are shown to present a drawback to standardising the testing of metals subject to magnetic hysteresis.

 

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