Journal of Materials Sciences and Technology 2000, 16(02) 248-249  DOI:      ISSN: 1005-0302 CN: 21-1315/TG
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D.G.Park
Y.Y.Song. H.Song
J.H.Hong
C.G.Kim
PubMed
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Integrated on-line instrumentation system of magnetic properties measurement

D.G.Park, Y.Y.Song. H.Song, J.H.Hong, C.G.Kim

Korea Atomic Energy Research Institute, Yusong P.O.Box 105, Taejon, 305-600 Korea...

Abstract：

A portable microcomputer-controlled inspection system has been developed for detection of magnetic properties of soft magnetic materials. It incorporates custom designed software for control of the magnetic field during operation such as demagnetization, field sweeping, and for data logging and analysis. Results are recorded using a 12-bit analog to digital converter and are then stored on disk. The magnetic hysteresis loop and Barkhausen noise data can be converted into important magnetic parameters:, coecivity, remanence, and hysteresis loss, Barkhausen amplitude, and Barkhausen noise energy. This system incorporated with the magnetostriction, and magnetoacoustic emission, is then related with the nondestructive detection of material degradation.

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Received 1999-07-02 Revised 1999-08-25 Online: 2009-10-10 
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Corresponding Authors: D.G.Park
Email: dgpark@nanum.kaeri.re.kr
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