DocumentCode
943425
Title
Nondestructive metal sheet testing using the phase angle of the electromagnetic fields
Author
Girgis, G.A. ; Bastawros, Awad
Author_Institution
Assiut University, Electrical Engineering Department, Assiut, Egypt
Volume
133
Issue
3
fYear
1986
fDate
5/1/1986 12:00:00 AM
Firstpage
137
Lastpage
138
Abstract
An exciting cylindrical coil fed with AC current is placed in front of a metallic sheet under test. Variation of the coil impedance due to the presence of the sheet depends on the purity and thickness of the sheet. It is shown that the phase angle rather than the amplitude of the change of the coil impedance is a good measure for testing.
Keywords
eddy current testing; electromagnetic fields; AC current; coil impedance; eddy current testing; electromagnetic fields; exciting cylindrical coil; metallic sheet; nondestructive testing; phase angle;
fLanguage
English
Journal_Title
Physical Science, Measurement and Instrumentation, Management and Education - Reviews, IEE Proceedings A
Publisher
iet
ISSN
0143-702X
Type
jour
DOI
10.1049/ip-a-1.1986.0024
Filename
4647797
Link To Document