Metallic Crack Detections by Planar Inductive Coil Sensor Under AC and DC Magnetic Fields

Title
Metallic Crack Detections by Planar Inductive Coil Sensor Under AC and DC Magnetic Fields
Author(s)
김기현이준식남백일[남백일]
Issue Date
201209
Publisher
KOREAN MAGNETICS SOC
Citation
JOURNAL OF MAGNETICS, v.17, no.3, pp.210 - 213
Abstract
To detect the surface and the opposite side cracks on iron specimen under AC and DC magnetic fields, the planar inductive coil sensors were employed. When the induced signals were measured, the planar inductive coil sensor and the magnetic field source were lifted off about 2 mm from the top surface of the specimen. AC magnetic fields and DC magnetic fields were applied to the specimens by single straight Cu coil and NdFeB permanent magnet, respectively. The detected signals at crack positions were good coincidence with those of the simulation results.
URI
http://hdl.handle.net/YU.REPOSITORY/27324http://dx.doi.org/10.4283/JMAG.2012.17.3.210
ISSN
1226-1750
Appears in Collections:
이과대학 > 물리학과 > Articles
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