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Number of results
2014 | 125 | 2 | 211-213
Article title

Crack Detection Using Fluxgate Magnetic Field Sensor

Content
Title variants
Languages of publication
EN
Abstracts
EN
In this study, the variation of the magnetic flux distribution in a magnetised ferromagnetic material which has in homogeneity as a crack is studied. An orthogonal fluxgate magnetic field sensor was used in the inspection of cracks. In the fluxgate sensor, the sensing element (Co_{0.94}Fe_{0.06})_{72.5}Si_{12.5}B_{15} amorphous ferromagnetic wire was placed inside a pickup coil winding with 50 μm copper wire and connected to a signal generator and the output from pick-up coil was detected using a lock-in amplifier. The surface profile of magnetic materials with a crack was obtained using a specially designed 3-dimensional moving system. A large decrease in the output voltage of the sensor was observed when the sensor was moved on the top of the crack, after the further movement of the sensor the output voltage came back to the previous value.
Keywords
EN
Year
Volume
125
Issue
2
Pages
211-213
Physical description
Dates
published
2014-02
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv125n2014kz
Identifiers
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