Integrated on-line instrumentation system of magnetic properties measurement

J Mater Sci Technol ›› 2000, Vol. 16 ›› Issue (02): 248-249.

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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...

Received:1999-07-02 Revised:1999-08-25 Online:2000-03-28 Published:2009-10-10
Contact: D.G.Park

Abstract

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.

Key words:

D.G.Park, Y.Y.Song. H.Song, J.H.Hong, C.G.Kim. Integrated on-line instrumentation system of magnetic properties measurement[J]. J Mater Sci Technol, 2000, 16(02): 248-249.

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Integrated on-line instrumentation system of magnetic properties measurement

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