Abstract

Due to the damping action during the magnetic moment precession, the magnetic flux generated by a pulsed magnetic field commonly will lag behind the field,so the phase of the pulsed magnetic field lags behind after it penetrates a coated metal. For the nonferromagnetic metal, the phaselag is very faint, and owing to the influence of conductor skin effect and eddy current, it can hardly be detected. An experimental method and the result obtained have been presented in this paper.In this method by using an ultrathin coating with zonal stripe to isolate and select an appropriate position to measure, thus the influences of conductor skin effect and eddy current have been reduced to a minimum. An analysis has been presented in this paper.

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