Nondestructive control of objects made of electroconductive materials in pulsed magnetic fields

Author： Pavlyuchenko V.   Doroshevich E.  

Publisher： MAIK Nauka/Interperiodica

ISSN： 1061-8309

Source： Russian Journal of Nondestructive Testing, Vol.46, Iss.11, 2010-11, pp. : 810-818

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Abstract

We have measured the values of the maximum tagential component of magnetic field strength H τm on the surfaces of metal objects as a function of the time of increase in charge pulses and as a function of sample thickeness. We have found the empirical formulas of dependence H τSm of the secondary field on sample thicknesses and on the time of increase in pulses, for which we give a theoretical explanation. We expound on methods for controlling the electric and magnetic properties of objects, as well as their geometric parameters and integrity defects in them.

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